Tag: math

393 Write a program that makes 2 + 2 = 5 2014-05-30T06:54:35.963

330 Tweetable Mathematical Art 2014-08-02T01:48:18.597

163 Mathematics is fact. Programming is not 2017-02-06T08:54:16.077

161 Programming Languages Through The Years 2015-04-06T05:54:55.230

144 Hyperprogramming: N+N, N×N, N^N all in one 2016-09-11T14:30:05.850

105 (-a) × (-a) = a × a 2017-09-26T22:25:54.850

91 The Colors in Our Stars 2015-07-15T00:47:33.833

90 When does (x == x+2)? 2012-09-06T09:05:02.293

89 One OEIS after another 2017-07-21T15:00:01.030

88 Does the code terminate? 2016-10-21T23:02:55.273

86 Mandelbrot image in every language 2014-03-07T21:39:15.050

71 Hard code golf: Regex for divisibility by 7 2011-08-19T20:21:45.450

66 Output the sign 2016-12-20T05:49:57.610

65 9 Hole Challenge 2013-12-29T19:52:05.340

62 Calculate the number of primes up to n 2016-02-26T19:08:02.277

59 Yo boy, must it sum 2017-10-23T15:39:46.720

57 Sum of all integers from 1 to n 2017-07-18T20:32:14.660

57 How lit is this mountain? 2017-12-22T00:01:40.210

54 Collatz Conjecture (OEIS A006577) 2013-08-01T11:22:46.980

53 Program that adds all natural numbers and yields -1/12 2014-05-26T23:45:42.647

52 Help me with differential calculus! 2014-06-17T13:32:40.747

52 Little Chandler is sad. Draw him a cloud to cheer him up 2014-09-23T03:47:37.873

52 Quiche Lorraine 2015-03-19T12:52:31.163

52 Dennis numbers 2.0 2016-09-30T15:44:22.307

52 5, 2, 16, 3580, What comes next? 2017-02-25T04:56:30.797

51 Find the Smoothest Number 2014-08-18T23:30:24.447

50 Test a number for narcissism 2013-11-14T01:55:37.983

50 How many steps does it take from n to 1 by subtracting the greatest divisor? 2016-05-09T13:14:21.583

49 “Disprove” Fermat's Last Theorem 2014-06-27T23:27:22.877

48 Alex is sometimes right 2015-10-22T18:27:21.787

48 Coprimes up to N 2016-12-26T18:00:02.387

48 Calculate a square and a square root! 2017-04-11T18:05:26.677

47 Illustrate the Least Common Multiple 2017-09-25T18:40:10.173

46 Too Fast, Too Fourier: FFT Code Golf 2013-08-29T23:22:29.280

46 Superstitious hotel elevator 2016-01-08T03:06:27.220

46 Print the N-bonacci sequence 2016-01-29T21:42:43.613

45 Greater than less than greater than something fishy 2016-09-06T21:46:52.400

44 There can be only 1! 2016-09-11T21:16:06.140

44 Draw/plot a heart graph 2017-02-13T13:10:25.730

44 If A-B be in A-B A else B eh? 2017-03-08T22:10:15.960

44 Is my triangle right? 2017-10-23T14:33:24.553

44 Implement the iOS 11 Calculator 2017-10-24T09:25:53.187

43 Count sums of two squares 2015-11-26T00:38:01.640

43 Universal Spooky Meme Translator 2016-05-12T19:09:45.810

43 Knight on the Rim is Grim 2016-06-28T05:17:30.187

43 Calculate the difficulty of a Code Golf question 2016-08-17T12:09:05.320

43 How does math work in Anastasiya's world? 2016-08-24T09:12:09.587

43 The Snail in the Well 2017-07-07T05:41:35.993

42 Divide a number by 3 without using *, /, +, -, % operators 2012-08-01T03:43:52.320

42 Bitflip and negate 2016-09-07T18:49:16.050

42 Divisor skyline 2017-05-07T16:31:21.547

41 Draw A Sierpinski Triangle 2012-06-09T02:41:56.433

41 Define a function f such that f(f(n)) = -n for all non-zero integers n 2013-06-29T17:16:37.747

41 Determine whether a number is 2017-friable without primes in your source code 2017-01-01T00:00:19.757

41 Can this number be written in (3^x) - 1 format? 2017-01-06T14:47:54.043

40 Multiply with restricted operations 2014-09-01T20:03:44.447

40 The rice and chess problem 2016-05-03T14:28:23.853

40 Fibonacci reversed! 2016-07-17T19:46:05.547

40 f(g(x)) decreases while g(f(x)) increases 2017-04-06T11:07:39.213

39 Construct the Identity Matrix 2016-01-28T18:17:24.087

39 Print a bunch of uninteresting numbers! 2016-07-07T10:25:58.573

39 Natural Pi #0 - Rock 2016-10-03T13:32:13.903

39 Goodness Giza Golf! 2016-11-16T16:41:07.030

38 Look, up in the sky! It's a super duper array! 2016-01-19T00:00:36.077

38 Pseudofactorial 2016-06-09T20:19:47.310

38 Golf a transcendental number 2017-05-15T02:27:27.370

37 Reverse Polish notation 2011-01-30T01:39:22.293

37 Count sum of all digits 2014-01-15T17:39:59.620

37 Overcoming cluster size 2015-09-15T03:52:20.467

37 Weapons of Math Instruction 2016-06-13T06:57:47.497

37 Leyland Numbers 2016-06-15T12:33:32.600

37 Count without 3 2016-11-03T01:59:10.163

37 n-th term of the rise & reset sequence 2017-01-22T14:32:36.433

37 Moving modest minimum 2017-04-27T08:59:38.057

36 World Big Dosa​ 2015-08-03T22:12:44.567

36 "Fill the Grid" Problem 2015-10-01T19:40:06.903

36 The sum is always 15 2015-12-02T18:43:54.513

36 The Rien Number 2016-01-06T19:34:27.637

36 Has My Pie Been Bisected? 2016-06-04T04:29:54.907

36 Divisibility test 2016-07-21T16:11:20.220

36 Fibonacci-orial 2016-07-30T03:19:28.737

36 ​P​i​ =​= ​3​.​2​ 2017-01-07T22:30:56.223

36 Different tasks, same characters 2017-01-08T19:28:16.977

36 Don't give me five! 2017-01-20T05:27:49.293

36 Automate your first grade counting exercise 2017-01-31T09:18:23.483

36 Abandon all squares, ye who divide me 2017-05-11T15:56:28.810

35 The Will Rogers Phenomenon 2015-07-27T16:52:16.507

35 Stock Time Machine 2016-07-15T19:08:01.990

35 11 = (1+2+3+4+5) - (1+2+3) + (6) - (4) 2017-05-13T22:00:47.643

35 The Crow vs The Taxicab 2017-07-08T20:35:07.910

35 Golf a number bigger than TREE(3) 2017-08-16T18:25:43.997

35 How do I ask a teller for money at the bank? 2017-09-21T16:55:32.247

34 Angle between the hands on a clock 2011-01-27T21:56:04.557

34 Compute the Carmichael function 2016-09-18T18:07:49.620

34 Sum of Modulo Sums 2016-12-09T14:36:54.233

34 XKCD Password Generator 2017-05-25T15:22:44.790

33 XOR multiplication 2015-05-15T20:27:23.273

33 Product over a range 2015-12-10T02:46:26.057

33 Zeroes at the end of a factorial 2016-05-12T02:36:13.140