66 Operator precedence: How wrong can I be? 2017-07-08T22:58:11.580

28 Find number of ones to get a number using + and * 2018-01-28T00:38:32.183

27 Solve an equation with (almost) any numbers you like 2017-03-09T18:56:03.540

26 Official Dyalog APL 2016 Year Game 2016-01-28T15:04:28.913

21 Four fours puzzle 2013-07-13T10:31:07.577

19 Make a math equation from the date 2015-11-10T17:28:32.623

16 Express a number - a modern "Des Chiffres et des Lettres" 2015-05-04T19:54:59.330

15 Arithmetic... tock... tick... tock 2015-08-07T17:14:09.990

15 Make mathematics with minimal matchsticks 2017-03-28T16:34:54.697

15 Fewest operations to 100 2017-07-04T12:00:38.877

15 Mathematical Expression Showdown! 2017-08-20T15:07:13.577

15 Make Zero From First 'n' Numbers 2018-02-03T15:13:03.983

14 It’s time to do the math 2014-09-21T10:53:30.110

14 Express a number with only 0-9 and the four operations 2016-03-30T12:48:13.407

13 Two-zero-one-five puzzle 2015-04-16T17:32:25.913

12 10 9 8 7 6 5 4 3 2 1... Print 2016 2016-01-06T13:19:29.257

11 Generate a number by using a given list of numbers and arithmetic operators 2013-02-26T08:37:44.387

11 Not just a four fours puzzle 2018-05-15T20:38:29.593

10 Generate a valid equation using user-specified numbers 2012-06-20T16:45:38.623

10 Find operations required to get result 2016-06-14T10:08:48.573

8 Generate all possible integers 2014-06-20T01:26:02.090

7 generate a valid equation using specified operators 2012-06-21T22:24:37.417

7 Roots and operators 2017-05-05T11:19:05.077

4 Longest mathematical expression in a grid 2014-06-25T15:13:35.990

3 Make Three from One 2018-05-15T20:54:39.783