Saturday, July 2, 2016

New Videos: TI-65 Timer, TI-55 III Intro and Programming Demo

TI-65 Timer Demo 

A short demonstration of the timer feature on the Texas Instruments TI-65 calculator (from 1986).  Timer functions are rare on calculators.  (The only other non-graphing calculator I can think of that had a timer was the Hewlett Packard HP-45, and it was a hidden feature).


TI-55 III Intro and Demo

I recently purchased a TI-55 III programming calculator. This video presents a short demonstration of the calculator and a short program: the area of a circle.  The video is filmed with my phone.   My blog:  Eddie's Math and Calculator Blog:




This blog of property of Edward Shore, 2016.

Casio fx-CG50: Sparse Matrix Builder

Casio fx-CG50: Sparse Matrix Builder Introduction The programs can create a sparse matrix, a matrix where most of the entries have zero valu...