2019-01-05 04:57:34 -0500 | received badge | ● Popular Question (source) |

2015-02-03 08:41:30 -0500 | answered a question | I don't know why Sage return 0 for integrate(sin(2*x).abs(),(x,0,pi)) when its value is 2 With Sage-4.7, integrate(abs(sin(t)),t,0,pi) returns 2 as expected. |

2015-02-01 03:32:51 -0500 | received badge | ● Editor (source) |

2015-02-01 03:11:50 -0500 | answered a question | How do I register so I can use the Sage Notebooks Is it the stand-alone Sage application ? If so, at first launch it asks for a new password in a terminal window. Next, you can log in the notebook with user id : admin password : the password you entered before. |

2015-01-30 06:52:04 -0500 | commented answer | cannot calculate limit Thanks ! Note that converting to exponentials works. My best interval is (4.7, 5.8), sorry |

2015-01-30 05:19:40 -0500 | received badge | ● Student (source) |

2015-01-30 04:20:28 -0500 | asked a question | cannot calculate limit No answer from Sage-6.4.1 for this limit : var('n'); u = (1+sqrt(n))^(-n); limit(u(n=n+1)/u,n=infinity) Sage 4.7 gives 0 (correct). Why ? |

2015-01-30 04:15:30 -0500 | asked a question | cannot calculate limit No answer from Sage-6.4.1 for this limit : var('n') u = (1+sqrt(n))^(-n) limit(u(n=n+1)/u,n=infinity) whereas Sage 4.7 gives 0 (correct). Why ? |

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