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Full Version: Revisiting the TI-81
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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


Part 2: (10/6/19)

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

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.
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