Friday, May 11, 2018

Fun with the Sharp EL-5500 III (May 2018 Edition)

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Fun with the Sharp EL-5500 III    (May 2018 Edition) The EL-5500 III is one of my favorite pocket programming device, small, portable...
Thursday, May 10, 2018

Casio fx-CG 50 OS 3.11 Update

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Casio fx-CG 50 OS 3.11 Update The newest software update for the Casio fx-CG50 is available.   Download page: Download here:   ht...

HP Prime: Combined Internal Rate of Return

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HP Prime: Combined Internal Rate of Return Introduction An investor has several projects, each with their own initial investments...

HP Prime: Pentcolor Demonstration

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HP Prime: Pentcolor Demonstration Introduction The HP Prime program PENTCOLOR allows the cycler to through colors with th...
Wednesday, May 2, 2018

Blog Update 5/2/2018

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Blog Update 5/2/2018 Hey everyone!   Just to let you know that I’ll be on a short break for the next couple of weeks.   I have to wra...
Monday, April 23, 2018

Scientific Calculator Basics Document Now Available

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Scientific Calculator Basics Document Now Available If you are new to scientific calculators, ever wondered what the [sin], [log],...
Wednesday, April 18, 2018

Review: Canon F-730SX Calculator

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Review:  Canon F-730SX Calculator General Information Company:  Canon Type:  Scientific Memory:  5 Registers A, B, C, D, E ...
Monday, April 16, 2018

Combinatorics Derivations

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Combinatorics Derivations The definition of the combination function is: C(n, r) = n! / (r! *  (n – r)!) Today I am go...
Thursday, April 12, 2018

HP Prime, HP 41C, TI-58C: Round to the Nearest 1/n

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HP Prime, HP 41C, TI-58C:   Round to the Nearest 1/n Introduction The program RNEAR rounds a number x to the nearest 1/n.   For e...