Thursday, February 28, 2019

HP 12C: ARM Term if Renewed

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HP 12C:  ARM Term if Renewed Introduction Situation:  An ARM Mortgage has one rate adjustment.  The mortgage calls for the payment to r...
Tuesday, February 26, 2019

HP Prime and HP 42S: Mathematical Pixel Art

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HP Prime and HP 42S: Mathematical Pixel Art HP Prime  Blue Diamond Lake Prime Pixel - Tree Trunk Yin Yang HP 42S/DM 4...
Saturday, February 23, 2019

HP Prime: Determining the Date For a Phase of Earth's Moon

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HP Prime:  Determining the Date For a Phase of Earth's Moon Introduction The program MOONDATE determines when a desired phase of Ea...
Sunday, February 17, 2019

HP 42S/DM 42/Free42: Function Table

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HP 42S/DM 42/Free42: Function Table Introduction The program FTAB uses the function defined in FX, with variable “X” to generate...

HP Prime and TI-86: Minimum Vertical Curve Length

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HP Prime and TI-86: Minimum Vertical Curve Length Introduction The program MVCL calculates the minimum vertical curve length f...
Friday, February 15, 2019

TI-86: Sequence Graphing

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TI-86: Sequence Graphing The program Sequen86 plots one recursive sequence with one initial condition. The function is stored in ...
Thursday, February 14, 2019

TI-86: Angle Between Vectors, Vandermonde Matrix, Least Squares Algorithm, Chebyshev Polynomials (1st Kind)

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TI-86: Angle Between Vectors, Vandermonde Matrix, Least Squares Algorithm, Chebyshev Polynomials (1 st Kind) The TI-86 has one of...
Saturday, February 9, 2019

App Spotlight: MyScript Calculator 2

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App Spotlight: MyScript Calculator 2 App: MyScript 2 Platform: Android, iOS Price: Android: Free Until February 1...
Thursday, February 7, 2019

Casio fx-3650P: Chebyshev Polynomials, Roots of a Complex Number, Reversion Value, Mach Speed, Trapezoid Perimeter

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Casio fx-3650P: Chebyshev Polynomials, Roots of a Complex Number, Reversion Value, Mach Speed, Trapezoid Perimeter Chebyshev Polynom...