This lecture is part of my Berkeley math 115 course "Introduction to number theory"
For the other lectures in the course see • Introduction to number theory (Berkel...
We discuss some of the number theory features in 3 pocket calculators: the Casio fx-300ES PLUS, the SwissMicros DM42, and the HP 50g.
The free simulator for the DM42 can be downloaded from https://thomasokken.com/free42/
The textbook is "An introduction to the theory of numbers" by Niven, Zuckerman, and Montgomery (5th edition).