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(71B) calculate interest rate
12-21-2019, 03:44 PM
Post: #4
RE: (71B) calculate interest rate
(12-20-2019 10:10 PM)Albert Chan Wrote:  Playing emulator interactively, this is unexpected ...
>FNROOT(I1, .5*I1, FNF(FVAR))
MATH ERR:Kybd FN in FNROOT/INTEGRAL

Doesn't come from the emulator, actually.

As the error message implies, it is not allowed to use a User-Defined function in FNROOT/INTEGRAL from the keyboard.

J-F
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RE: (71B) calculate interest rate - J-F Garnier - 12-21-2019 03:44 PM



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