What are good PRNG for calculators?

[John R. Graham]

(08-21-2014 09:56 PM)Paul Dale Wrote:  

(08-21-2014 09:23 PM)Namir Wrote:  How do you do bit shifting in the HP-25, HP-67, HP-41C?

Shift left: 2 *
Shift right: 2 / IP

The problem here is the exclusive or operations.

It would be quite slow, but you can do XOR a bit at a time with addition and modulus. If X and Y contain a single bit then

Code:

+ 2 MOD

leaves the XOR in X.

- John