New Casio fx-9860 GIII model

[ijabbott]

(10-04-2020 07:26 PM)John Keith Wrote:  

(10-04-2020 04:53 PM)grsbanks Wrote:  Using a python program it does it in only 2 seconds for \(n=10^3\), 18 seconds for \(n=10^4\) or 184 seconds for \(n=10^5\). That's 10× faster than using Casio Basic, BUT with what appears to be greatly reduced precision.

Does the Python program use single-precision floats, and if so does the Casio implementation of Python have doubles?

Assuming it's the same implementation as on the fx-CG50, it's using IEEE754 double precision:

Code:

>>>1+1e-15-1
1.110223024625157e-15
>>>1+1e-16-1
0.0
>>>