HP Prime can't find how to use partfrac function ! « Next Oldest | Next Newest »

 ▼ dg1969 Unregistered Posts: 39 Threads: 14 Joined: Jun 2013 10-04-2013, 08:40 AM Hi, When I try the example include with the help of "partial fraction" in the emulator : 2013-8-13 (5106) CAS 1.1.0 CAS>Algebra>Partial Fraction partfrac(x/(4-x^2)) the emulator answer : -x/(x^2-4) !! in place of (-1/2)/(x-2) + (-1/2)/(x+2) I'm missing something ? ▼ CompSystems Unregistered Posts: 213 Threads: 60 Joined: Mar 2013 10-04-2013, 08:58 AM must be disabled the automatic simplification, also happens to factor() cmd ▼ dg1969 Unregistered Posts: 39 Threads: 14 Joined: Jun 2013 10-04-2013, 09:18 AM Thank's !! It's Ok with "simplify level fixed at minimum"... And thank you mister Parisse for the partfrac shortcut : sto + Edited: 4 Oct 2013, 9:22 a.m. ▼ Joe Horn Unregistered Posts: 153 Threads: 7 Joined: Jun 2008 10-04-2013, 09:25 PM Quote:And thank you mister Parisse for the partfrac shortcut : sto + And thanks too, Bernard, for the CAS factoring shortcut: sto * 153 sto * Enter --> 3^2*17 x^4-1 sto * Enter --> (x-1)*(x+1)*(x^2+1) (Note: the sto * shortcut doesn't use i to factor polynomials, even if that flag is set in CAS Settings)

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