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Revisiting the TI-81
10-06-2019, 03:15 PM
Post: #1
Revisiting the TI-81
The TI-81 is not quite as feature full as the HP 28C, however it was the calculator that got me into graphing calculators.

Part 1: (10/5/19)

Differences between the TI-81 and TI-84 Plus
Binary/Decimal Conversions
Quadratic Equation

http://edspi31415.blogspot.com/2019/10/f...art-i.html


Part 2: (10/6/19)

Decimal to Fraction
Simple Logistic Regression
Confidence Interval
Fresnel Polarization
Hyperbolic Circles

http://edspi31415.blogspot.com/2019/10/f...rt-ii.html
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11-21-2019, 05:43 AM
Post: #2
RE: Revisiting the TI-81
I remember it fondly. Bought it at the end of 1991 and wrote a program to convert matrices to reduced row echelon for my Linear Algebra class in university. Still have it and use it.

Everything will be alright in the end. If it's not alright, then it's not the end.
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