\( \def\pm{{ ‰}} \def\pmf{{ ‰ \phantom.}} \def\pmm{{ ‰ \! ‰}} \def\pmmf{{ ‰ \! ‰ \phantom\%}} \DeclareMathOperator{\antilog}{antilog} \DeclareMathOperator{\arcsec}{arcsec} \DeclareMathOperator{\csch}{csch} \DeclareMathOperator{\arsinh}{arsinh} \DeclareMathOperator{\arcosh}{arcosh} \)

Integermania!

Four Fours

Four fours is a classic problem, dating back at least 90 years. Create each of the positive integers using four copies of 4, and any standard operations. All four numbers must be used, but no others. Your solutions will be assigned an exquisiteness level.

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Use the online submissions page to get your Integermania solutions posted here!  This problem is now in semi-retired status, so you may submit an unlimited number of solutions each month.

Page 1 (1-400), Page 2 (401-800), Page 3 (801-1200), Page 4 (1201-1600), Page 5 (1601-2000), Page 6 (2001-2400), Page 7 (2401-2800), Page 8 (2801-4000), Page 11 (4001+).

  401 (2.4)
$\dfrac{4 \times 4 + 4\%}{4\%}$
Dave Jones, 9/07
Coventry, England
402 (3.4)
$\dfrac{4}{4\%} \times 4 + \sqrt{4}$
Steve Wilson, 2/08
Raytown, MO
403 (3.8)
$(4 + 4)!\% - \dfrac{.4}{\sqrt{4}}$
Steve Wilson, 9/08
Raytown, MO
404 (2.2)
$4 \times \dfrac{4}{4\%} + 4$
Dave Jones, 12/06
Coventry, England
405 (3.2)
$\dfrac{4 - .4}{(.\overline{4} + .\overline{4})\%}$
Paolo Pellegrini, 6/08
Martina Franca, Italy
406 (3.6)
$\dfrac{4 \times 4 + 4!\%}{4\%}$
Steve Wilson, 6/08
Raytown, MO
407 (3.8)
$(4 + 4)!\% - \sqrt{4\%} + 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
408 (3.4)
$4 \times 4! \times 4 + 4!$
Steve Wilson, 6/08
Raytown, MO
409 (3.2)
$\dfrac{4 \times .\overline{4} + 4\%}{.\overline{4}\%}$
Paolo Pellegrini, 6/08
Martina Franca, Italy
410 (2.4)
$\dfrac{4 \times 4 + .4}{4\%}$
Dave Jones, 9/07
Coventry, England
  411 (4.8)
$\dfrac{\sqrt{4} - \sqrt{.\overline{4}\%}}{.\overline{4}\%} - 4!$
Steve Wilson, 10/08
Raytown, MO
412 (3.8)
$\dfrac{4 + 4 + 4!\%}{(\sqrt{4})\%}$
Steve Wilson, 12/08
Raytown, MO
413 (5.0)
$\coth\ln\coth\arsinh(4 \times 4) - \dfrac{4}{4\%}$
Steve Wilson, 9/23
Lawrence, KS
414 (3.8)
$\sqrt{\left(\sqrt{4^{4!}}\right)\%} + 4.4$
Steve Wilson, 11/23
Lawrence, KS
415 (3.8)
$\dfrac{\dfrac{4}{.4} - 4\%}{4! \pmf}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
416 (2.2)
$4 \times \left(4 + \dfrac{4}{4\%} \right)$
Dave Jones, 3/07
Coventry, England
417 (4.2)
$\dfrac{\sqrt{4} - 4\%}{.\overline{4}\%} - 4!$
Paolo Pellegrini, 8/08
Martina Franca, Italy
418 (4.0)
$\dfrac{\sqrt{4}}{.\overline{4}\%} - \sqrt[.4]{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
419 (4.8)
$\dfrac{4! + 4 - \sqrt{.\overline{4}\%}}{\sqrt{.\overline{4}\%}}$
Steve Wilson, 11/08
Raytown, MO
420 (3.2)
$444 - 4!$
Steve Wilson, 2/08
Raytown, MO
  421 (4.8)
$\dfrac{4! + 4 + \sqrt{.\overline{4}\%}}{\sqrt{.\overline{4}\%}}$
Steve Wilson, 11/08
Raytown, MO
422 (4.0)
$\dfrac{\sqrt{4}}{.\overline{4}\%} - 4! - 4$
Paolo Pellegrini, 8/08
Martina Franca, Italy
423 (4.4)
$\dfrac{4! + 4 + \sqrt{4\%}}{\sqrt{.\overline{4}\%}}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
424 (3.4)
$\dfrac{4}{4\%} \times 4 + 4!$
Steve Wilson, 2/08
Raytown, MO
425 (3.8)
$\dfrac{ \dfrac{4}{4\%} + \sqrt{4}}{4!\%}$
Steve Wilson, 8/09
Raytown, MO
426 (4.0)
$\dfrac{4}{.\overline{4}\% \times \sqrt{4}} - 4!$
Paolo Pellegrini, 8/08
Martina Franca, Italy
427 (4.0)
$(4 + 4)!\% - \sqrt{4\%} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
428 (4.2)
$\dfrac{\sqrt{4}}{.\overline{4}\%} - 4! + \sqrt{4}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
429 (4.4)
$\dfrac{\sqrt{4} - \sqrt{4\%}}{.\overline{4}\%} + 4!$
Paolo Pellegrini, 10/08
Martina Franca, Italy
430 (3.8)
$\dfrac{\sqrt{4} - (4! + 4)\%}{4 \pmf}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
  431 (4.6)
$\dfrac{\sqrt{4} - \sqrt{.\overline{4}\%}}{.\overline{4}\%} - 4$
Steve Wilson, 10/08
Raytown, MO
432 (3.4)
$4! \times (4 \times 4 + \sqrt{4})$
Paolo Pellegrini, 8/08
Martina Franca, Italy
433 (4.8)
$\dfrac{\sqrt{4} - \sqrt{.\overline{4}\%}}{.\overline{4}\%} - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
434 (3.8)
$\dfrac{\sqrt{4}}{.\overline{4}\%} - 4 \times 4$
Steve Wilson, 6/08
Raytown, MO
435 (4.0)
$\dfrac{\sqrt{4} - (4! + \sqrt{4})\%}{4 \pmf}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
436 (3.2)
$\dfrac{4}{.\overline{4}\%} \times (4\% + .\overline{4})$
Paolo Pellegrini, 8/08
Martina Franca, Italy
437 (4.0)
$\dfrac{\sqrt{4} - 4\%}{.\overline{4}\%} - 4$
Paolo Pellegrini, 8/08
Martina Franca, Italy
438 (4.2)
$\dfrac{\sqrt{4}}{.\overline{4}\%} - \dfrac{4!}{\sqrt{4}}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
439 (4.0)
$\dfrac{\sqrt{4} - (4! + .4)\%}{4 \pmf}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
440 (2.0)
$444 - 4$
Kimberly Grosdidier, 12/05
Overland Park, KS
  441 (3.8)
$\dfrac{ \sqrt{(4 + \sqrt{4\%})^4}}{4\%}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
442 (3.2)
$444 - \sqrt{4}$
Eric Millard, 5/07
Olathe, KS
443 (4.2)
$\dfrac{\sqrt{4} - 4\%}{.\overline{4}\%} + \sqrt{4}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
444 (3.2)
$.\overline{4} \times \dfrac{4}{.4\%} - .\overline{4}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
445 (4.0)
$\dfrac{ \sqrt{4} - 4\%}{.\overline{4}\%} + 4$
Paolo Pellegrini, 8/08
Martina Franca, Italy
446 (3.0)
$\dfrac{4}{(.\overline{4} + .\overline{4})\%} - 4$
Paolo Pellegrini, 8/08
Martina Franca, Italy
447 (4.4)
$\dfrac{\sqrt{4} + .\overline{4}\%}{.\overline{4}\%} - 4$
Paolo Pellegrini, 10/08
Martina Franca, Italy
448 (2.0)
$444 + 4$
Steven Charlton, 1/05
Sunderland, England
449 (3.8)
$\dfrac{\sqrt{4}}{.\overline{4}\%} - \dfrac44$
Steve Wilson, 6/08
Raytown, MO
450 (2.6)
$\dfrac{4 + 4}{4 \times .\overline{4}\%}$
Dave Jones, 1/08
Coventry, England
  451 (3.8)
$\dfrac{\sqrt{4}}{.\overline{4}\%} + \dfrac44$
Steve Wilson, 6/08
Raytown, MO
452 (3.8)
$\dfrac{\sqrt{4}}{4 \pmf} - 4! - 4!$
Steve Wilson, 6/08
Raytown, MO
453 (4.4)
$\dfrac{\sqrt{4} - .\overline{4}\%}{.\overline{4}\%} + 4$
Paolo Pellegrini, 10/08
Martina Franca, Italy
454 (3.0)
$\dfrac{4}{(.\overline{4} + .\overline{4})\%} + 4$
Paolo Pellegrini, 8/08
Martina Franca, Italy
455 (4.0)
$\dfrac{\sqrt{4} + 4\%}{.\overline{4}\%} - 4$
Paolo Pellegrini, 8/08
Martina Franca, Italy
456 (3.4)
$\dfrac{\sqrt{4}}{4 \pmf} - 44$
Steve Wilson, 6/08
Raytown, MO
457 (4.0)
$(\sqrt{4} + 4!)^4 \pmf + 4!\pmf$
Paolo Pellegrini, 8/08
Martina Franca, Italy
458 (3.8)
$\dfrac{\sqrt{4}}{.\overline{4}\%} + 4 + 4$
Steve Wilson, 6/08
Raytown, MO
459 (4.0)
$\dfrac{4 - \sqrt{4} + 4\%}{.\overline{4}\%}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
460 (3.2)
$\dfrac{4 \times .4 + .\overline{4}}{.\overline{4}\%}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
  461 (4.2)
$\dfrac{\sqrt{4} + 4\%}{.\overline{4}\%} + \sqrt{4}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
462 (4.2)
$\dfrac{\sqrt{4}}{.\overline{4}\%} + \dfrac{4!}{\sqrt{4}}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
463 (4.0)
$\dfrac{\sqrt{4} + 4\%}{.\overline{4}\%} + 4$
Paolo Pellegrini, 8/08
Martina Franca, Italy
464 (3.4)
$(4^4 - 4!) \times \sqrt{4}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
465 (4.2)
$\dfrac{\sqrt{4} - 4\%}{.\overline{4}\%} + 4!$
Paolo Pellegrini, 8/08
Martina Franca, Italy
466 (3.8)
$\dfrac{\sqrt{4}}{.\overline{4}\%} + 4 \times 4$
Steve Wilson, 6/08
Raytown, MO
467 (4.8)
$\dfrac{\sqrt{4} + \sqrt{.\overline{4}\%}}{.\overline{4}\%} + \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
468 (3.2)
$444 + 4!$
Steve Wilson, 2/08
Raytown, MO
469 (4.6)
$\dfrac{\sqrt{4} + \sqrt{.\overline{4}\%}}{.\overline{4}\%} + 4$
Steve Wilson, 10/08
Raytown, MO
470 (3.8)
$\dfrac{4 \times 4! - \sqrt{4}}{\sqrt{4\%}}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
  471 (4.2)
$\dfrac{\sqrt{4} - \sqrt{4\%\%}}{4 \pmf} - 4!$
Paolo Pellegrini, 8/08
Martina Franca, Italy
472 (3.6)
$\dfrac{\sqrt{4}}{4 \pmf} - 4! - 4$
Steve Wilson, 6/08
Raytown, MO
473 (4.8)
$\cosh(4 \times \arcosh\sqrt{4 + 4}) + 4!$
Steve Wilson, 9/23
Lawrence, KS
474 (3.8)
$\dfrac{\sqrt{4}}{4 \pmf} - 4! - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
475 (3.4)
$\dfrac{.4 + .\overline{4}}{.4 \times .\overline{4}\%}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
476 (3.4)
$4! \times (4! - 4) - 4$
Steve Wilson, 6/08
Raytown, MO
477 (3.8)
$\dfrac{\sqrt{4} + 4 \pmf}{4 \pmf} - 4!$
Paolo Pellegrini, 8/08
Martina Franca, Italy
478 (3.6)
$4! \times (4! - 4) - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
479 (4.0)
$\dfrac{4 \times 4! - \sqrt{4\%}}{\sqrt{4\%}}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
480 (3.2)
$4 \times \left(4 + \dfrac44 \right)!$
Steve Wilson, 10/08
Raytown, MO
  481 (4.0)
$\dfrac{4 \times 4! + \sqrt{4\%}}{\sqrt{4\%}}$
Paolo Pellegrini, 8/08
Martina Franca, Italy
482 (3.6)
$4! \times (4! - 4) + \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
483 (4.2)
$\dfrac{\sqrt{4} + 4\%}{.\overline{4}\%} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
484 (3.4)
$4! \times (4! - 4) + 4$
Steve Wilson, 6/08
Raytown, MO
485 (3.8)
$\dfrac{\sqrt{4} - (4 + \sqrt{4})\%}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
486 (3.6)
$\dfrac{\sqrt{4} - 4\%}{4 \pmf} - 4$
Steve Wilson, 6/08
Raytown, MO
487 (4.8)
$\cosh(\sqrt{4} \times \arcosh(4 \times 4)) - 4!$
Steve Wilson, 9/23
Lawrence, KS
488 (3.4)
$4^4 \times \sqrt{4} - 4!$
Steve Wilson, 10/08
Raytown, MO
489 (3.6)
$\dfrac{\sqrt{4} - 44 \pmf}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
490 (3.2)
$\dfrac{4 \times .\overline{4} + .4}{.\overline{4}\%}$
Steve Wilson, 10/08
Raytown, MO
  491 (3.8)
$\dfrac{\sqrt{4}}{4 \pmf} - \dfrac{4}{.\overline{4}}$
Steve Wilson, 6/08
Raytown, MO
492 (3.4)
$\dfrac{\sqrt{4}}{4 \pmf} - 4 - 4$
Steve Wilson, 6/08
Raytown, MO
493 (3.8)
$\dfrac{\sqrt{4} - (4! + 4)\pmf}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
494 (3.6)
$\dfrac{\sqrt{4}}{4 \pmf} - 4 - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
495 (2.8)
$\dfrac{4 - 4\%}{(.4 + .4)\%}$
Steve Wilson, 10/08
Raytown, MO
496 (2.6)
$\dfrac{4}{(.4 + .4)\%} - 4$
Dave Jones, 1/08
Coventry, England
497 (3.6)
$\dfrac{\sqrt{4} + 4 \pmf}{4 \pmf} - 4$
Paolo Pellegrini, 10/08
Martina Franca, Italy
498 (3.4)
$\dfrac{4}{(4 + 4)\pmf} - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
499 (3.4)
$\dfrac{\sqrt{4}}{4 \pmf} - \dfrac44$
Steve Wilson, 6/08
Raytown, MO
500 (2.2)
$\dfrac{4 \times 4 + 4}{4\%}$
Dave Jones, 9/06
Coventry, England
  501 (3.4)
$\dfrac{\sqrt{4}}{4 \pmf} + \dfrac44$
Steve Wilson, 6/08
Raytown, MO
502 (3.4)
$\dfrac{4}{(4 + 4)\pmf} + \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
503 (3.6)
$\dfrac{\sqrt{4} - 4 \pmf}{4 \pmf} + 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
504 (2.6)
$\dfrac{4}{(.4 + .4)\%} + 4$
Dave Jones, 1/08
Coventry, England
505 (2.8)
$\dfrac{4 + 4\%}{(.4 + .4)\%}$
Steve Wilson, 10/08
Raytown, MO
506 (3.6)
$\dfrac{\sqrt{4}}{4 \pmf} + 4 + \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
507 (3.8)
$\dfrac{\sqrt{4} + (4! + 4)\pmf}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
508 (3.2)
$4^4 \times \sqrt{4} - 4$
Jeremy Miller, 9/07
Olathe, KS
509 (3.8)
$\dfrac{\sqrt{4}}{4 \pmf} + \dfrac{4}{.\overline{4}}$
Steve Wilson, 6/08
Raytown, MO
510 (3.4)
$4^4 \times \sqrt{4} - \sqrt{4}$
Steve Wilson, 9/08
Raytown, MO
  511 (3.6)
$\dfrac{\sqrt{4} + 44 \pmf}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
512 (3.0)
$4^4 + 4^4$
Josh Brown, 6/04
Lawrence, KS
513 (3.8)
$\dfrac{\sqrt[\sqrt{4\%}]{4} + \sqrt{4}}{\sqrt{4}}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
514 (3.4)
$4^4 \times \sqrt{4} + \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
515 (3.8)
$\dfrac{\sqrt{4} + (4 + \sqrt{4})\%}{4 \pmf}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
516 (3.2)
$4^4 \times \sqrt{4} + 4$
Jeremy Miller, 9/07
Olathe, KS
517 (4.6)
$\cosh(\sqrt{4} \times \arsinh(4 \times 4)) + 4$
Steve Wilson, 9/23
Lawrence, KS
518 (4.0)
$\dfrac{\sqrt{4} - 4! \pmf}{4 \pmf} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
519 (4.2)
$\dfrac{\sqrt{4} - \sqrt{4\%\%}}{4 \pmf} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
520 (3.2)
$(4^4 + 4) \times \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
  521 (4.8)
$\coth\ln\coth\arsinh(4 \times 4) + 4 + 4$
Steve Wilson, 9/23
Lawrence, KS
522 (3.8)
$\dfrac{\sqrt{4}}{4 \pmf} + 4! - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
523 (3.8)
$\dfrac{\sqrt{4} - 4\pmf}{4 \pmf} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
524 (3.4)
$\dfrac{4}{(4 + 4)\pmf} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
525 (3.6)
$\dfrac{\sqrt{4} + \dfrac{.4}{4}}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
526 (3.8)
$\dfrac{\sqrt{4}}{4 \pmf} + 4! + \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
527 (4.8)
$\coth\ln\coth\arcosh(4 \times 4) + 4 \times 4$
Steve Wilson, 9/23
Lawrence, KS
528 (3.4)
$44 \times \dfrac{4!}{\sqrt{4}}$
Steve Wilson, 10/08
Raytown, MO
529 (3.4)
$\sqrt{\left(4! - \dfrac44 \right)^4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
530 (3.8)
$(4! - \sqrt{4}) \times 4! + \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
  531 (4.2)
$\dfrac{\sqrt{4} + .4 - 4\%}{.\overline{4}\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
532 (3.4)
$4! \times 4! - 44$
Steve Wilson, 6/08
Raytown, MO
533 (4.4)
$\dfrac{(4! - .4)\%}{.\overline{4}\pmf} + \sqrt{4}$
Steve Wilson, 10/23
Lawrence, KS
534 (3.8)
$\dfrac{\sqrt{4} + 4\%}{4 \pmf} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
535 (4.4)
$\sqrt{4\%^{-4}} - \dfrac{.4}{.\overline{4}\%}$
Steve Wilson, 12/08
Raytown, MO
536 (3.4)
$4^4 \times \sqrt{4} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
537 (4.6)
$\dfrac{4!\%}{.\overline{4} \pmf} - \sqrt{\dfrac{4}{.\overline{4}}}$
Steve Wilson, 8/09
Raytown, MO
538 (4.2)
$\dfrac{\sqrt{4} + .4}{.\overline{4}\%} - \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
539 (4.0)
$\dfrac{4!\%}{.\overline{4} \pmf} - \dfrac44$
Paolo Pellegrini, 8/09
Martina Franca, Italy
540 (2.8)
$\dfrac{4 - 4 \times .4}{.\overline{4}\%}$
Dave Jones, 12/07
Coventry, England
  541 (4.0)
$\dfrac{4!\%}{.\overline{4} \pmf} + \dfrac44$
Steve Wilson, 8/09
Raytown, MO
542 (4.2)
$\dfrac{\sqrt{4} + .4}{.\overline{4}\%} + \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
543 (4.6)
$\dfrac{4!\%}{.\overline{4} \pmf} + \sqrt{\dfrac{4}{.\overline{4}}}$
Steve Wilson, 8/09
Raytown, MO
544 (3.4)
$\dfrac{\sqrt{4}}{4 \pmf} + 44$
Steve Wilson, 6/08
Raytown, MO
545 (4.0)
$\dfrac{4! - \sqrt{4} - \sqrt{4\%}}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
546 (3.6)
$\dfrac{4! - \sqrt{4}}{4\%} - 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
547 (4.4)
$\dfrac{(4! + .4)\%}{.\overline{4}\pmf} - \sqrt{4}$
Steve Wilson, 10/23
Lawrence, KS
548 (3.6)
$4! \times 4! - 4! - 4$
Steve Wilson, 6/08
Raytown, MO
549 (3.8)
$\dfrac{4! - \sqrt{4} - 4\%}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
550 (2.2)
$\dfrac{44}{(4 + 4)\%}$
Dave Jones, 9/07
Coventry, England
  551 (3.8)
$\dfrac{4! - \sqrt{4} + 4\%}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
552 (3.4)
$4! \times \left(4! - \dfrac44 \right)$
Steve Wilson, 6/08
Raytown, MO
553 (4.2)
$\dfrac{(4! + .4)\%}{.\overline{4}\pmf} + 4$
Steve Wilson, 10/23
Lawrence, KS
554 (3.6)
$\dfrac{4! - \sqrt{4}}{4\%} + 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
555 (4.0)
$\dfrac{4! - \sqrt{4} + \sqrt{4\%}}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
556 (3.2)
$\dfrac{.\overline{4}}{(4+4)\%\%} + .\overline{4}$
Steve Wilson, 10/08
Raytown, MO
557 (3.8)
$\sqrt{(4! - .4)^4} + 4\%$
Paolo Pellegrini, 9/08
Martina Franca, Italy
558 (4.0)
$\dfrac{\sqrt{4} + 4!\%}{4 \pmf} - \sqrt{4}$
Steve Wilson, 8/09
Raytown, MO
559 (4.0)
$\dfrac{\sqrt{4} + (4! - .4)\%}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
560 (3.4)
$(4! - 4) \times (4! + 4)$
Steve Wilson, 6/08
Raytown, MO
  561 (4.0)
$\dfrac{\sqrt{4} + (4! + .4)\%}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
562 (4.0)
$\dfrac{\sqrt{4} + 4!\%}{4 \pmf} + \sqrt{4}$
Steve Wilson, 8/09
Raytown, MO
563 (4.8)
$\dfrac{4!\% - .\overline{4}\pmf}{.\overline{4}\pmf} + 4!$
Steve Wilson, 10/23
Lawrence, KS
564 (3.6)
$4! \times \left(4! - \dfrac{\sqrt{4}}{4} \right)$
Paolo Pellegrini, 9/08
Martina Franca, Italy
565 (4.0)
$\dfrac{\sqrt{4} + (4! + \sqrt{4})\%}{4 \pmf}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
566 (3.6)
$4! \times 4! - \dfrac{4}{.4}$
Steve Wilson, 6/08
Raytown, MO
567 (3.4)
$\dfrac{4^4 - 4}{.\overline{4}}$
Steve Wilson, 10/08
Raytown, MO
568 (3.4)
$4! \times 4! - 4 - 4$
Steve Wilson, 6/08
Raytown, MO
569 (5.2)
$4! \times 4! - 4 - \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
570 (3.6)
$4! \times 4! - 4 - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
  571 (3.8)
$4! \times 4! - \dfrac{\sqrt{4}}{.4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
572 (3.4)
$\dfrac{4^4}{.\overline{4}} - 4$
Steve Wilson, 10/08
Raytown, MO
573 (4.0)
$4! \times 4! - \sqrt{\dfrac{4}{.\overline{4}}}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
574 (3.6)
$4! \times 4! - 4 + \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
575 (3.4)
$4! \times 4! - \dfrac44$
Steve Wilson, 6/08
Raytown, MO
576 (3.2)
$\sqrt[4]{4!^{4+4}}$
Steve Wilson, 5/11
Raytown, MO
577 (3.4)
$4! \times 4! + \dfrac44$
Steve Wilson, 6/08
Raytown, MO
578 (3.6)
$4! \times 4! + 4 - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
579 (4.0)
$4! \times 4! + \sqrt{\dfrac{4}{.\overline{4}}}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
580 (3.4)
$\dfrac{4^4}{.\overline{4}} + 4$
Steve Wilson, 10/08
Raytown, MO
  581 (3.6)
$\sqrt{ 4\%^{-4}} - 44$
Steve Wilson, 10/08
Raytown, MO
582 (3.6)
$4! \times 4! + 4 + \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
583 (4.4)
$\dfrac{(4! + \sqrt{4})\%}{.\overline{4}\pmf} - \sqrt{4}$
Steve Wilson, 11/23
Lawrence, KS
584 (3.4)
$4! \times 4! + 4 + 4$
"mathwhiz", 1/07
Newton, MA
585 (3.4)
$\dfrac{4^4 + 4}{.\overline{4}}$
Steve Wilson, 10/08
Raytown, MO
586 (3.6)
$4! \times 4! + \dfrac{4}{.4}$
Steve Wilson, 6/08
Raytown, MO
587 (4.4)
$\dfrac{(4! + \sqrt{4})\%}{.\overline{4}\pmf} + \sqrt{4}$
Steve Wilson, 11/23
Lawrence, KS
588 (3.6)
$4! \times \left( 4! + \dfrac{\sqrt{4}}{4} \right)$
Paolo Pellegrini, 9/08
Martina Franca, Italy
589 (3.6)
$\dfrac{4! - .44}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
590 (3.6)
$\dfrac{4!}{4\%} - \dfrac{4}{.4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
  591 (3.8)
$\dfrac{4!}{4\%} - \dfrac{4}{.\overline{4}}$
Steve Wilson, 6/08
Raytown, MO
592 (3.4)
$\dfrac{4!}{4\%} - 4 - 4$
Steve Wilson, 2/08
Raytown, MO
593 (3.8)
$\dfrac{4! - (4! + 4)\%}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
594 (3.6)
$\dfrac{4!}{4\%} - 4 - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
595 (3.6)
$\dfrac{4! - 4\%}{4\%} - 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
596 (3.6)
$4! \times 4! + 4! - 4$
Steve Wilson, 6/08
Raytown, MO
597 (3.6)
$\dfrac{4! + 4\%}{4\%} - 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
598 (3.6)
$\dfrac{4!}{4\%} - 4 + \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
599 (3.4)
$\dfrac{4!}{4\%} - \dfrac44$
Steve Wilson, 6/08
Raytown, MO
600 (2.6)
$\dfrac{4 - 4 \times .4}{.4\%}$
Dave Jones, 12/07
Coventry, England
  601 (3.4)
$\dfrac{4!}{4\%} + \dfrac44$
Steve Wilson, 6/08
Raytown, MO
602 (3.6)
$\dfrac{4!}{4\%} + 4 - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
603 (3.6)
$\dfrac{4! - 4\%}{4\%} + 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
604 (3.6)
$4! \times 4! + 4! + 4$
Steve Wilson, 6/08
Raytown, MO
605 (3.6)
$\dfrac{4! + 4\%}{4\%} + 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
606 (3.6)
$\dfrac{4!}{4\%} + 4 + \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
607 (3.8)
$\dfrac{4! + (4! + 4)\%}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
608 (3.4)
$\dfrac{4!}{4\%} + 4 + 4$
Steve Wilson, 2/08
Raytown, MO
609 (3.6)
$\sqrt{ 4\%^{-4}} - 4 \times 4$
Steve Wilson, 10/08
Raytown, MO
610 (3.6)
$\dfrac{4!}{4\%} + \dfrac{4}{.4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
  611 (3.6)
$\dfrac{4! + .44}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
612 (3.8)
$\dfrac{4!}{4\%} + \dfrac{4!}{\sqrt{4}}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
613 (4.0)
$\sqrt{ 4\%^{-4}} - \dfrac{4!}{\sqrt{4}}$
Steve Wilson, 12/08
Raytown, MO
614 (3.6)
$\dfrac{4! + .4}{4\%} + 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
615 (3.8)
$\sqrt{ 4\%^{-4}} - \dfrac{4}{.4}$
Steve Wilson, 10/08
Raytown, MO
616 (3.4)
$\dfrac{4!}{4\%} + 4 \times 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
617 (3.6)
$\sqrt{ 4\%^{-4}} - 4 - 4$
Steve Wilson, 10/08
Raytown, MO
618 (3.8)
$\dfrac{4! + (4 + \sqrt{4}) \pmf}{4\%}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
619 (3.8)
$\sqrt{ 4\%^{-4}} - 4 - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
620 (3.4)
$4! \times 4! + 44$
Steve Wilson, 6/08
Raytown, MO
  621 (3.4)
$\left( \dfrac{\sqrt{4}}{.4} \right)^4 - 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
622 (3.8)
$\dfrac{4!}{4\%} + 4! - \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
623 (3.6)
$\left( \dfrac{\sqrt{4}}{.4} \right)^4 - \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
624 (3.6)
$\sqrt{ 4\%^{-4}} - \dfrac44$
Steve Wilson, 10/08
Raytown, MO
625 (2.4)
$\dfrac{4}{4 \times 4\% \times 4\%}$
Dave Jones, 2/08
Coventry, England
626 (3.6)
$\sqrt{ 4\%^{-4}} + \dfrac44$
Steve Wilson, 10/08
Raytown, MO
627 (3.6)
$\left( \dfrac{\sqrt{4}}{.4} \right)^4 + \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
628 (3.6)
$\dfrac{4!}{4\%} + 4! + 4$
Steve Wilson, 2/08
Raytown, MO
629 (3.4)
$\left( \dfrac{\sqrt{4}}{.4} \right)^4 + 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
630 (3.2)
$\dfrac{4^4 - 4}{.4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
  631 (3.8)
$\sqrt{ 4\%^{-4}} + 4 + \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
632 (3.6)
$\dfrac{4!}{4\%} + \sqrt[.4]{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
633 (3.6)
$\sqrt{ 4\%^{-4}} + 4 + 4$
Steve Wilson, 10/08
Raytown, MO
634 (3.8)
$\dfrac{4! + .4}{4\%} + 4!$
Paolo Pellegrini, 9/08
Martina Franca, Italy
635 (3.4)
$\dfrac{4^4 - \sqrt{4}}{.4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
636 (3.2)
$\dfrac{4^4}{.4} - 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
637 (4.0)
$\sqrt{ 4\% ^{-4}} + \dfrac{4!}{\sqrt{4}}$
Steve Wilson, 12/08
Raytown, MO
638 (3.4)
$\dfrac{4^4}{.4} - \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
639 (3.4)
$\dfrac{4^4 - .4}{.4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
640 (3.4)
$(4! - 4) \times \sqrt[.4]{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
  641 (3.4)
$\dfrac{4^4 + .4}{.4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
642 (3.4)
$\dfrac{4^4}{.4} + \sqrt{4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
643 (5.0)
$\dfrac{4^4}{.4} + \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
644 (3.2)
$\dfrac{4^4}{.4} + 4$
Steve Wilson, 10/08
Raytown, MO
645 (3.4)
$\dfrac{4^4 + \sqrt{4}}{.4}$
Paolo Pellegrini, 9/08
Martina Franca, Italy
646 (3.6)
$\dfrac{4! + \sqrt{4}}{4\%} - 4$
Paolo Pellegrini, 9/08
Martina Franca, Italy
647 (4.0)
$\sqrt{ 4\%^{-4}} + 4! - \sqrt{4}$
Steve Wilson, 12/08
Raytown, MO
648 (3.6)
$4! \times (4! + 4) - 4!$
Steve Wilson, 6/08
Raytown, MO
649 (3.6)
$\left( \dfrac{\sqrt{4}}{.4} \right)^4 + 4!$
Paolo Pellegrini, 10/08
Martina Franca, Italy
650 (3.2)
$\dfrac{4^4 + 4}{.4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
  651 (3.8)
$\dfrac{4! + \sqrt{4} + 4\%}{4\%}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
652 (3.8)
$\dfrac{4! + \sqrt{4}}{4\%} + \sqrt{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
653 (3.8)
$\sqrt{ 4\%^{-4}} + 4! + 4$
Steve Wilson, 10/08
Raytown, MO
654 (3.6)
$\dfrac{4! + \sqrt{4}}{4\%} + 4$
Paolo Pellegrini, 10/08
Martina Franca, Italy
655 (4.0)
$\dfrac{4! + \sqrt{4} + \sqrt{4\%}}{4\%}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
656 (3.8)
$\dfrac{44}{\sqrt{.\overline{4}\%}} - 4$
Paolo Pellegrini, 10/08
Martina Franca, Italy
657 (4.2)
$\dfrac{44 - \sqrt{4\%}}{\sqrt{.\overline{4}\%}}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
658 (4.0)
$\dfrac{44}{\sqrt{.\overline{4}\%}} - \sqrt{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
659 (4.6)
$\dfrac{44 - \sqrt{.\overline{4}\%}}{\sqrt{.\overline{4}\%}}$
Steve Wilson, 10/08
Raytown, MO
660 (3.6)
$(4 - 4\%) \times \dfrac{4}{4! \pmf}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
  661 (4.6)
$\dfrac{44 + \sqrt{.\overline{4}\%}}{\sqrt{.\overline{4}\%}}$
Steve Wilson, 10/08
Raytown, MO
662 (4.0)
$\dfrac{44}{\sqrt{.\overline{4}\%}} + \sqrt{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
663 (4.2)
$\dfrac{44 + \sqrt{4\%}}{\sqrt{.\overline{4}\%}}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
664 (3.4)
$\dfrac{4^4}{.4} + 4!$
Paolo Pellegrini, 10/08
Martina Franca, Italy
665 (3.6)
$\dfrac{4 \times 4 - 4\%}{4! \pmf}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
666 (3.6)
$(4 - 4\pmf) \times \dfrac{4}{4! \pmf}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
667 (3.8)
$(4 + (\sqrt{4}) \pmf) \times \dfrac{4}{4! \pmf}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
668 (3.4)
$4! \times (4! + 4) - 4$
Steve Wilson, 6/08
Raytown, MO
669 (3.6)
$\sqrt{ 4\%^{-4}} + 44$
Steve Wilson, 10/08
Raytown, MO
670 (3.6)
$4! \times (4! + 4) - \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
  671 (3.8)
$\dfrac{4!}{(4 - .\overline{4})\%} - 4$
Paolo Pellegrini, 8/09
Martina Franca, Italy
672 (3.4)
$4! \times (\sqrt[.4]{4} - 4)$
Paolo Pellegrini, 10/08
Martina Franca, Italy
673 (4.0)
$\sqrt{ 4\%^{-4}} + 4! + 4!$
Steve Wilson, 10/08
Raytown, MO
674 (3.6)
$4! \times (4! + 4) + \sqrt{4}$
Steve Wilson, 6/08
Raytown, MO
675 (2.6)
$\dfrac{4 - \dfrac44}{.\overline{4}\%}$
Dave Jones, 12/07
Coventry, England
676 (3.4)
$4! \times (4! + 4) + 4$
Steve Wilson, 6/08
Raytown, MO
677 (4.0)
$\dfrac{4!}{(4 - .\overline{4})\%} + \sqrt{4}$
Steve Wilson, 8/09
Raytown, MO
678 (3.8)
$\sqrt{(4! + \sqrt{4})^4} + \sqrt{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
679 (3.8)
$\dfrac{4!}{(4 - .\overline{4})\%} + 4$
Steve Wilson, 8/09
Raytown, MO
680 (3.6)
$\sqrt{(4! + \sqrt{4})^4} + 4$
Paolo Pellegrini, 10/08
Martina Franca, Italy
  681 (5.4)
$\sqrt{(4! + \sqrt{4})^4} + \cot\arctan \sqrt{4\%}$
Steve Wilson, 8/09
Raytown, MO
682 (5.6)
$\sqrt{(4! + \sqrt{4})^4} + \left( \coth\ln \sqrt{\sqrt{4}} \right)!$
Steve Wilson, 8/09
Raytown, MO
683 (5.4)
$\dfrac{ \coth\ln \sqrt{\sqrt{4}}}{.\overline{4}\%} + 4 + 4$
Steve Wilson, 8/09
Raytown, MO
684 (4.0)
$4! \times \left(4! + \dfrac{\sqrt{4}}{.\overline{4}} \right)$
Paolo Pellegrini, 10/08
Martina Franca, Italy
685 (4.0)
$\sqrt{ 4\%^{-4}} + \dfrac{4!}{.4}$
Steve Wilson, 10/08
Raytown, MO
686 (4.2)
$\dfrac{ \sqrt[\sqrt{.\overline{4}}]{\sqrt{4} - 4\%}}{4 \pmf}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
687 (5.8)
$\dfrac{\coth\ln \sqrt{\sqrt{4}}}{.\overline{4}\%} + \dfrac{4!}{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
688 (3.6)
$\left( \dfrac{4!}{4} \right)! - \sqrt[.4]{4}$
Steve Wilson, 10/08
Raytown, MO
689 (4.4)
$\sqrt{ 4\%^{-4}} + \sqrt{\sqrt{\sqrt{4^{4!}}}}$
Steve Wilson, 12/08
Raytown, MO
690 (4.2)
$\left( \dfrac{4!}{4} \right)! - \sqrt{ \dfrac{4}{.\overline{4}\%}}$
Steve Wilson, 10/08
Raytown, MO
  691 (5.4)
$\dfrac{\coth\ln \sqrt{\sqrt{4}}}{.\overline{4}\%} + 4 \times 4$
Steve Wilson, 8/09
Raytown, MO
692 (3.6)
$\left( \dfrac{4!}{4} \right)! - 4! - 4$
Steve Wilson, 10/08
Raytown, MO
693 (5.4)
$\left( \dfrac{4!}{4} \right)! - 4! - \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
694 (3.8)
$\left( \dfrac{4!}{4} \right)! - 4! - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
695 (3.8)
$\dfrac{4! + 4 - \sqrt{4\%}}{4\%}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
696 (3.4)
$\dfrac{4! + 4}{4\%} - 4$
Brad Anderson, 9/06
Overland Park, KS
697 (5.2)
$\dfrac{4! + 4}{4\%} - \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
698 (3.6)
$\dfrac{4! + 4}{4\%} - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
699 (3.6)
$\dfrac{4! + 4 - 4\%}{4\%}$
Steve Wilson, 10/08
Raytown, MO
700 (3.4)
$\dfrac{4^4 + 4!}{.4}$
Steve Wilson, 10/08
Raytown, MO
  701 (3.6)
$\dfrac{4! + 4 + 4\%}{4\%}$
Steve Wilson, 10/08
Raytown, MO
702 (3.6)
$\dfrac{4! + 4}{4\%} + \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
703 (5.2)
$\dfrac{4! + 4}{4\%} + \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
704 (2.0)
$4 \times 44 \times 4$
Tim Murphy, 5/03
Olathe, KS
705 (3.8)
$\dfrac{4! + 4 + \sqrt{4\%}}{4\%}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
706 (3.8)
$\dfrac{4! + 4 + 4!\%}{4\%}$
Steve Wilson, 10/08
Raytown, MO
707 (5.8)
$\left(\left( \coth\ln \sqrt{\sqrt{4}} \right)!\right)! - \dfrac{4! + \sqrt{4}}{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
708 (3.8)
$\left( \dfrac{4!}{4} \right)! - \dfrac{4!}{\sqrt{4}}$
Steve Wilson, 10/08
Raytown, MO
709 (5.2)
$\left(\left( \coth\ln \sqrt{\sqrt{4}} \right)!\right)! - \dfrac{44}{4}$
Steve Wilson, 8/09
Raytown, MO
710 (3.2)
$\dfrac{4 - .4 - .\overline{4}}{.\overline{4}\%}$
Steve Wilson, 10/08
Raytown, MO
  711 (3.8)
$\left( \dfrac{4!}{4} \right)! - \dfrac{4}{.\overline{4}}$
Steve Wilson, 10/08
Raytown, MO
712 (3.4)
$\left( \dfrac{4!}{4} \right)! - 4 - 4$
Steve Wilson, 10/08
Raytown, MO
713 (5.2)
$\left( \dfrac{4!}{4} \right)! - 4 - \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
714 (3.6)
$\left( \dfrac{4!}{4} \right)! - 4 - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
715 (3.8)
$\left( \dfrac{4!}{4} \right)! - \dfrac{\sqrt{4}}{.4}$
Steve Wilson, 10/08
Raytown, MO
716 (3.4)
$\left( \dfrac{4}{.4} - 4 \right)! - 4$
Steve Wilson, 10/08
Raytown, MO
717 (4.0)
$\left( \dfrac{4!}{4} \right)! - \sqrt{ \dfrac{4}{.\overline{4}}}$
Steve Wilson, 10/08
Raytown, MO
718 (3.6)
$\left( \dfrac{4}{.4} - 4 \right)! - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
719 (3.4)
$\left( \dfrac{4!}{4} \right)! - \dfrac44$
Steve Wilson, 10/08
Raytown, MO
720 (2.6)
$\dfrac{4}{\left( \dfrac44 - .\overline{4} \right)\%}$
Steve Wilson, 10/08
Raytown, MO
  721 (3.4)
$\left( \dfrac{4!}{4} \right)! + \dfrac44$
Steve Wilson, 10/08
Raytown, MO
722 (3.6)
$\left( \dfrac{4}{.4} - 4 \right)! + \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
723 (4.0)
$\left( \dfrac{4!}{4} \right)! + \sqrt{ \dfrac{4}{.\overline{4}}}$
Steve Wilson, 10/08
Raytown, MO
724 (3.4)
$\left( \dfrac{4}{.4} - 4 \right)! + 4$
Steve Wilson, 10/08
Raytown, MO
725 (3.8)
$\left( \dfrac{4!}{4} \right)! + \dfrac{\sqrt{4}}{.4}$
Steve Wilson, 10/08
Raytown, MO
726 (3.6)
$\left( \dfrac{4!}{4} \right)! + 4 + \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
727 (5.2)
$\left( \dfrac{4!}{4} \right)! + 4 + \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
728 (3.4)
$\left( \dfrac{4!}{4} \right)! + 4 + 4$
Steve Wilson, 10/08
Raytown, MO
729 (3.8)
$\left( \dfrac{4!}{4} \right)! + \dfrac{4}{.\overline{4}}$
Steve Wilson, 10/08
Raytown, MO
730 (3.6)
$\left( \dfrac{4!}{4} \right)! + \dfrac{4}{.4}$
Steve Wilson, 10/08
Raytown, MO
  731 (5.2)
$\left(\left( \coth\ln \sqrt{\sqrt{4}} \right)! \right)! + \dfrac{44}{4}$
Steve Wilson, 8/09
Raytown, MO
732 (3.8)
$\left( \dfrac{4!}{4} \right)! + \dfrac{4!}{\sqrt{4}}$
Steve Wilson, 10/08
Raytown, MO
733 (5.8)
$\left(\left( \coth\ln \sqrt{\sqrt{4}} \right)! \right)! + \dfrac{4! + \sqrt{4}}{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
734 (4.6)
$\dfrac{4}{(\csch \ln 4)\%} - 4 \times 4$
Steve Wilson, 8/09
Raytown, MO
735 (4.0)
$\dfrac{ \sqrt{(4 + \sqrt{4\%})^4}}{4! \pmf}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
736 (3.4)
$\left( \dfrac{4!}{4} \right)! + 4 \times 4$
Steve Wilson, 10/08
Raytown, MO
737 (5.6)
$\left(\left( \coth\ln \sqrt{\sqrt{4}} \right)! \right)! + 4 \times (4 + \cot\arctan 4)$
Steve Wilson, 8/09
Raytown, MO
738 (5.0)
$\dfrac{4}{(\csch \ln 4)\%} - \dfrac{4!}{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
739 (5.2)
$\dfrac{ \coth\ln \sqrt{\sqrt{4}} - 44 \pmf}{4 \pmf}$
Steve Wilson, 8/09
Raytown, MO
740 (3.6)
$\left( \dfrac{4!}{4} \right)! + 4! - 4$
Steve Wilson, 10/08
Raytown, MO
  741 (4.4)
$\dfrac{\sqrt{4} - 4! \pmf}{4 \pmf \times \sqrt{.\overline{4}}}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
742 (3.8)
$\left( \dfrac{4!}{4} \right)! + 4! - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
743 (5.4)
$\left(\left( \coth\ln \sqrt{\sqrt{4}} \right)! \right)! + 4! - \dfrac44$
Steve Wilson, 8/09
Raytown, MO
744 (3.2)
$\dfrac{4}{4 \pmf} - 4^4$
Steve Wilson, 10/08
Raytown, MO
745 (4.2)
$\sqrt{ 4\%^{-4}} + \left( \dfrac{\sqrt{4}}{.4} \right)!$
Steve Wilson, 12/08
Raytown, MO
746 (3.6)
$\dfrac{4!}{(\sqrt[.4]{4}) \pmf} - 4$
Steve Wilson, 10/08
Raytown, MO
747 (4.2)
$\dfrac{ \dfrac{\sqrt{4}}{4 \pmf} - \sqrt{4}}{\sqrt{.\overline{4}}}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
748 (3.6)
$\left( \dfrac{4!}{4} \right)! + 4! + 4$
Steve Wilson, 10/08
Raytown, MO
749 (4.0)
$\dfrac{ \dfrac{\sqrt{4}}{\left(\sqrt{.\overline{4}} \right)\pmf} - 4}{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
750 (2.4)
$\dfrac{4 - \dfrac44}{.4\%}$
Dave Jones, 10/07
Coventry, England
  751 (4.0)
$\dfrac{ \dfrac{\sqrt{4}}{\left( \sqrt{.\overline{4}} \right) \pmf} + 4}{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
752 (3.6)
$\left( \dfrac{4!}{4} \right)! + \sqrt[.4]{4}$
Steve Wilson, 10/08
Raytown, MO
753 (4.2)
$\dfrac{\dfrac{\sqrt{4}}{4 \pmf} + \sqrt{4}}{\sqrt{.\overline{4}}}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
754 (3.6)
$\dfrac{4!}{(\sqrt[.4]{4}) \pmf} + 4$
Paolo Pellegrini, 10/08
Martina Franca, Italy
755 (5.4)
$\dfrac{4!}{(\sqrt[.4]{4}) \pmf} + \cot\arctan \sqrt{4\%}$
Steve Wilson, 8/09
Raytown, MO
756 (3.4)
$\dfrac{\sqrt{4}}{4 \pmf} + 4^4$
Steve Wilson, 10/08
Raytown, MO
757 (5.4)
$\dfrac{4}{(\csch\ln 4)\%} + 4 + \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
758 (4.6)
$\dfrac{4}{(\csch\ln 4)\%} + 4 + 4$
Steve Wilson, 8/09
Raytown, MO
759 (4.4)
$\dfrac{\sqrt{4} + 4! \pmf}{4 \pmf \times \sqrt{.\overline{4}}}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
760 (3.2)
$\dfrac{.4 + .\overline{4}}{.\overline{4}\%} \times 4$
Steve Wilson, 10/08
Raytown, MO
  761 (5.2)
$\dfrac{ \coth\ln \sqrt{\sqrt{4}} + 44 \pmf}{4 \pmf}$
Steve Wilson, 8/09
Raytown, MO
762 (5.0)
$\dfrac{4}{(\csch \ln 4)\%} + \dfrac{4!}{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
763 (5.2)
$4! \times \sqrt[.4]{4} - \cot\arctan \sqrt{4\%}$
Steve Wilson, 8/09
Raytown, MO
764 (3.4)
$\left( \dfrac{4!}{4} \right)! + 44$
Steve Wilson, 10/08
Raytown, MO
765 (4.2)
$\dfrac{\sqrt{4} + 4\%}{4 \pmf \times \sqrt{.\overline{4}}}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
766 (3.6)
$4! \times \sqrt[.4]{4} - \sqrt{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
767 (5.2)
$4! \times \sqrt[.4]{4} - \tan\arcsec \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
768 (3.2)
$4! \times (4 + 4) \times 4$
Steve Wilson, 10/08
Raytown, MO
769 (5.2)
$4! \times \sqrt[.4]{4} + \tan\arcsec \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
770 (3.8)
$\left( \dfrac{4!}{4} \right)! + \dfrac{\sqrt{4}}{4\%}$
Steve Wilson, 10/08
Raytown, MO
  771 (5.2)
$4! \times \sqrt[.4]{4} + \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
772 (3.4)
$4! \times \sqrt[.4]{4} + 4$
Steve Wilson, 10/08
Raytown, MO
773 (5.2)
$4! \times \sqrt[.4]{4} + \cot\arctan \sqrt{4\%}$
Steve Wilson, 8/09
Raytown, MO
774 (3.8)
$\dfrac{4!}{(\sqrt[.4]{4}) \pmf} + 4!$
Paolo Pellegrini, 10/08
Martina Franca, Italy
775 (3.0)
$\dfrac{4 - \dfrac{.4}{.\overline{4}}}{.4\%}$
Steve Wilson, 10/08
Raytown, MO
776 (3.6)
$\dfrac{\sqrt[.4]{4}}{4\%} - 4!$
Steve Wilson, 10/08
Raytown, MO
777 (5.8)
$\dfrac{\sqrt{4}}{(\cot\arctan 4)\%} - 4! + \tan\arcsec \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
778 (4.8)
$\dfrac{4}{(\csch\ln 4)\%} + 4! + 4$
Steve Wilson, 8/09
Raytown, MO
779 (5.2)
$\sqrt{(4! + 4)^4} - \cot\arctan \sqrt{4\%}$
Steve Wilson, 8/09
Raytown, MO
780 (3.8)
$\left( \dfrac{4!}{4} \right)! + \dfrac{4!}{.4}$
Steve Wilson, 10/08
Raytown, MO
  781 (5.2)
$\sqrt{(4! + 4)^4} - \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
782 (3.6)
$\sqrt{(4! + 4)^4} - \sqrt{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
783 (5.2)
$\sqrt{(4! + 4)^4} - \tan\arcsec\sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
784 (3.4)
$(4! + 4) \times (4! + 4)$
Steve Wilson, 10/08
Raytown, MO
785 (5.2)
$\sqrt{(4! + 4)^4} + \tan\arcsec \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
786 (3.6)
$\sqrt{(4! + 4)^4} + \sqrt{4}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
787 (5.2)
$\sqrt{(4! + 4)^4} + \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
788 (3.4)
$\sqrt{(4! + 4)^4} + 4$
Paolo Pellegrini, 10/08
Martina Franca, Italy
789 (5.2)
$\sqrt{(4! + 4)^4} + \cot\arctan \sqrt{4\%}$
Steve Wilson, 8/09
Raytown, MO
790 (3.6)
$\dfrac{\sqrt[.4]{4} - .4}{4\%}$
Steve Wilson, 10/08
Raytown, MO
  791 (3.2)
$\dfrac{4 - .\overline{4} - 4\%}{.\overline{4}\%}$
Steve Wilson, 10/08
Raytown, MO
792 (3.6)
$4! \times \sqrt[.4]{4} + 4!$
Steve Wilson, 10/08
Raytown, MO
793 (5.6)
$\dfrac{\sqrt{4}}{(\cot\arctan 4)\%} - 4 - \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
794 (4.6)
$\dfrac{4}{(\csch \ln 4)\%} + 44$
Steve Wilson, 10/23
Lawrence, KS
795 (3.8)
$\dfrac{ \sqrt[.4]{4} - \sqrt{4\%}}{4\%}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
796 (3.0)
$\dfrac{4 - .\overline{4}}{.\overline{4}\%} - 4$
Steve Wilson, 10/08
Raytown, MO
797 (5.2)
$4 \times \dfrac{4}{(\sqrt{4})\%} - \coth\ln \sqrt{\sqrt{4}}$
Steve Wilson, 8/09
Raytown, MO
798 (3.6)
$\dfrac{\sqrt[.4]{4}}{4\%} - \sqrt{4}$
Steve Wilson, 10/08
Raytown, MO
799 (3.6)
$\dfrac{ \sqrt[.4]{4} - 4\%}{4\%}$
Paolo Pellegrini, 10/08
Martina Franca, Italy
800 (2.2)
$(4 + 4) \times \dfrac{4}{4\%}$
Dave Jones, 3/07
Coventry, England

Page 1 (1-400), Page 2 (401-800), Page 3 (801-1200), Page 4 (1201-1600), Page 5 (1601-2000), Page 6 (2001-2400), Page 7 (2401-2800), Page 8 (2801-4000), Page 11 (4001+).