Problem with differential equation (DESOLVE)

[Tim Wessman]

(03-04-2015 05:44 PM)ZellAllon Wrote:  How do you get that solution? explain to me please!

That is the author of the CAS inside Prime. He is using the pc version (which is newer then the current version in Prime) and that result is returned. If/Until that code is put into the Prime firmware the calculator will continue to return the result you posted.