Online calculator simulators?

[Thomas Klemm]

(07-07-2022 07:42 PM)pauln Wrote:  Is that the behavior of an actual HP-15C?

No. But that happens only with Greg Hewgill's simulator.

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

However an emulator or the real calculator returns:

9.000417403