Eddie's Math and Calculator Blog
It's all about mathematics and calculators
Saturday, May 2, 2026
TI-84 Plus CE, HP 15C, and HP 12C: Decoding the Gradematic 100
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TI-84 Plus CE, HP 15C, and HP 12C: Decoding the Gradematic 100 GPA as a function of grade Last December, we have gave a spot...
Sunday, April 26, 2026
Retro Review: HP 65
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Retro Review: HP 65 Quick Facts Company: Hewlett Packard Years: 1974 - 1977 Type: Scientific, RPN (Reverse Polish Notation) Mem...
Saturday, April 25, 2026
TI-84 Plus CE: Beam Pattern for Uniform Array
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TI-84 Plus CE: Beam Pattern for Uniform Array Introduction The following formula calculates an antenna’s normalized beam respo...
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