HP 49g+ - Printable Version +- HP Forums (https://archived.hpcalc.org/museumforum) +-- Forum: HP Museum Forums (https://archived.hpcalc.org/museumforum/forum-1.html) +--- Forum: Old HP Forum Archives (https://archived.hpcalc.org/museumforum/forum-2.html) +--- Thread: HP 49g+ (/thread-146790.html) |
HP 49g+ - Fernando - 02-11-2009 Hi all... Can someone tell me please why when I enter: DERVX(X^2) I get 0 (zero)
I already set functions to symbolic and the thanks in advanced
Re: HP 49g+ - Tim Wessman - 02-12-2009 http://forums11.itrc.hp.com/service/forums/bizsupport/questionanswer.do?threadId=1310990
TW
Re: HP 49g+ - Marcus von Cube, Germany - 02-13-2009 Check if variable X is defined and purge it. If X is defined, X^2 evaluates to a constant of which the derivative is zero.
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