Online calculator simulators?

[rprosperi]

(07-07-2022 08:03 PM)Thomas Klemm Wrote:  Both simulators of the HP-15C return 9.000000000 as a result of the calculator forensic test:

9
SIN COS TAN
TAN^-1 COS^-1 SIN^-1

So, not simulations of high fidelity. If this is faked, what else is wrong???

Funny how an accurate answer can make one immediately suspicious of a calculating tool...