Wednesday, February 4, 2015

Simple Polar Curves

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Simple Polar Curves ** Updated 2/11/2015 - Thank you Mike for pointing out my mistake on the rose curve - it is much appreciated!   Eddie...

HP Prime: Pixel Art (Pixel Noise)

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And now for a fun experiment:  take a certain function, any functions f(x,y) and g(x,y) where x and y represent the pixels of a calculator ...
Sunday, January 25, 2015

Goodies!

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Shout out to Texas Instruments for sending me a TI-84 Plus C graphing calculator last month. Thank you! (Apologizes on being late about i...

HP Prime: Calculator Art

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Programs will follow.  Enjoy!   Eddie   DRAW3DCUBE:  3D Cube - not as easy as it seems.   DRAW3DCUBE DRAW3DCYN:  My first one I di...
Friday, January 16, 2015

fx-5800p: Large Factorials, Length of Daylight, & Moments/Skewness

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fx-5800p: Large Factorials, Length of Daylight, & Moments/Skewness Large Factorials This allows the user to calculate n! for any positi...
Thursday, January 15, 2015

fx-5800p: Creating a Custom Formula

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fx-5800p: Creating a Custom Formula Here is a short tutorial on how to create a custom formula for the Casio fx-5800p. The fx-5800p has a...
Friday, January 9, 2015

fx-5800p: Least Squares Fitting

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fx-5800p: Least Squares Fitting Program LSQ (least squares) for the Casio fx-5800p. The program LSQ (least squares) allows us to fit a ...
Monday, January 5, 2015

fx-5800p: Runge-Kutta 4th Order Method - Differential Equations

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Runge-Kutta 4th Order Method - Differential Equations The program RK4 estimates solutions to the differential equation y dy/dx = f(x,y) gi...
Sunday, January 4, 2015

fx-5800p: Bisection Method

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fx-5800p: Bisection Method The program BISECT finds a root for f(X) given an initial open interval of (A, B). I have the tolerance set t...

New HP Prime Software Version Released (6975)

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HP Prime Software Version 6975 Rev. 6975, date 12/3/2014. Link:   ftp://ftp.hp.com/pub/calculators/Prime/ The above link provides fil...
Thursday, January 1, 2015

TI-84+: Windchill Factor, Boiling Point at Various Elevations, Velocity of Seismic Waves

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Happy New Year!  Time flies when we are having fun - we are in 2015 - 15 years into the 21st century.  Here's to making 2015 happy and ...
Wednesday, December 31, 2014

Happy New Years!

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We are entering 2015 around the world today.  Happy New Year! Eddie
Sunday, December 28, 2014

TI-84+: Doppler Effect, Finding an Equation of a Line with 2 Points, Arc Length of f(x), Orbit around the Sun

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-------------------------------- Doppler Effect for Sound in Air Source:   http://hyperphysics.phy-astr.gsu.edu/hbase/sound/dopp...