The beauty of RPN

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The beauty of RPN

A short one (very far from the long posts involving repairing manuals):

One of my sons is learning to do divisions, and he has to practice. So I took the HP41CL to generate random divisions. I always have among the modules virtually plugged in the system Sandmath 4x4, which has the function RND (I think it is there - the only thing for sure is that having only the advantage pack and Sandmath, it DOES work), so I made this short program in all of 1 minute, plus other 15 seconds to assign it to a key:

1 LBL RAND

2 RND

3 1E2

4 *

5 RND

6 1E6

7 *

8 END

It stores a 5 digit number in X and a 2 digit in Y. My son can execute it and press x<>y in order to get the divisor too.

There is no way I could get a faster solution with a computer or any other more modern calculator!!

 

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