2019-07-22 14:12:19 +0200 received badge ● Famous Question (source) 2018-03-01 11:56:26 +0200 received badge ● Popular Question (source) 2018-03-01 11:56:26 +0200 received badge ● Notable Question (source) 2017-02-14 14:34:41 +0200 received badge ● Teacher (source) 2017-02-14 14:34:41 +0200 received badge ● Self-Learner (source) 2016-03-28 13:57:11 +0200 received badge ● Notable Question (source) 2016-03-28 13:57:11 +0200 received badge ● Popular Question (source) 2016-03-28 13:57:11 +0200 received badge ● Famous Question (source) 2014-10-26 17:59:31 +0200 answered a question Domain and range in Sage Math Thank you. Domain/ Range I try to do the same operations in Sage. 2014-10-26 14:51:29 +0200 asked a question Domain and range in Sage Math How do i find the domain and range in Sage Math of a function: f(x) = x/(x^2-1) g(x) = e^(-x^2) ?  2014-10-18 18:16:17 +0200 received badge ● Editor (source) 2014-10-18 18:09:42 +0200 answered a question Divisibility I tried: sage: a=range(7000,8000) sage: print[a if a%7==0] File "", line 1 print[a if a%Integer(7)==Integer(0)] ^ SyntaxError: invalid syntax  I find a solution: print [a for a in [7000..7999] if a%7==0]  Thank you for support. 2014-10-18 17:48:27 +0200 commented question Divisibility Thank you for edit. 2014-10-18 17:32:22 +0200 asked a question Divisibility To find numbers of the form 7aaa that are multiples of 7, I use: sage:print [a for a in [0..9] if (7000+111*a)%7==0] [0, 7]  I do not know how to write for 7|7abc. Thanks.