Eddie's Math and Calculator Blog
It's all about mathematics and calculators
Saturday, September 19, 2026
Sharp EL-5200/EL-9000 AER II Program Collection – September 2026
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Sharp EL-5200/EL-9000 AER II Program Collection – September 2026 For my review on the Sharp EL-5200 (also known as the Sharp EL-9000)...
Sunday, September 13, 2026
HP 71B Basic and Casio fx-CG 100: Weighted Random Sample
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HP 71B Basic and Casio fx-CG 100: Weighted Random Sample Introduction In calculators, it is fairly easy to generate a rand...
Saturday, September 12, 2026
Trigonometry Reduction Formula and Solving Simple Arcsine and Arccosine Equations
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Trigonometry Reduction Formula and Solving Simple Arcsine and Arccosine Equations Some Background and Periodic Reduction Formulas ...
Saturday, September 5, 2026
Python – Earth’s Radius and Gravity in US Units
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Python – Earth’s Radius and Gravity in US Units Introduction The following script, gravus2.py, estimates the Earth’s gravity i...
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