Saturday, February 4, 2017

HP Prime: Base Conversions – Joe Horn

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HP Prime:  Base Conversions – Joe Horn Special thanks to Joe Horn.  When I posted the conversion programs ( http://edspi31415.blogspot...

Retro Review: Texas Instruments BA II Financial Calculator (1984)

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Retro Review:  Texas Instruments BA II Financial Calculator (1984) BA II:  Finance Mode BA II:  Statistics Mode Company:  T...

The Golden Ratio: Reciprocals and Powers

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The Golden Ratio: Reciprocals and Powers Determining the Golden Ratio Take a line segment with length of x + 1, and split it into...
Thursday, February 2, 2017

eCalc Scientific Calculator (Guest Post: Christine of Web Technology USA)

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Today’s post is a guest post from Christine of Web Technology USA ( http://www.webtechnologyusa.com/ ), and she is going to talk about th...

HP Prime and TI-84 Plus CE: Convert Integers: Decimal to Any Base

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HP Prime and TI-84 Plus CE:  Convert Integers: Decimal to Any Base Below are two programs that allow conversion of integers from decim...
Monday, January 30, 2017

HP Prime and TI-84 Plus CE: Base 10 (Decimal)-Base 12 (Duodecimal/Dozenal) Conversions

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HP Prime and TI-84 Plus CE:  Base 10 (Decimal)-Base 12 (Duodecimal/Dozenal) Conversions Conventions: X = 10 E = 11 (notation by ...
Sunday, January 29, 2017

Base 12 Arithmetic: The Dozenal Society

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Base 12 Arithmetic: The Dozenal Society Introduction Base 12 is a numerical base system that is based on the powers of 12 instead ...