Eddie's Math and Calculator Blog

Casio fx-991EX Classwiz Tips:  Solving a Linear System This week I am going to show some things that can be done with the Casio fx-991EX Cla...

Retro Review:  HP 40gs Quick Facts Model:  HP 40gs Company:  Hewlett Packard Years:  2006-2010s Type:  Graphing Batteries: 4 x AAA plus back...

HP and Swiss Micros 41C and 42S Series: Stack Storage Operations Introduction   The HP 41C and HP 42S families, including the Swiss Micros D...

Lists in Numworks - Version 19.2 Introduction In Version 19,  lists were added as an object in the Numworks calculator.  We can define and n...

Rationalizing a Quadratic Polynomial Problem Rewrite the Quadratic Polynomial 1 + A*x + B*x^2 as a rational function of polynomials.  A and ...

Plus42: The Solver SEQ Command Solver SEQ Function In the calculator app Plus42, we can evaluate a sequence of calculations to return a resu...

Review:  Casio Nursing Calculator SP-100UNSU It's rare, but there are nursing-based calculators that are available in the market from ti...

TI 84 Plus CE TI-Basic and TI Nspire CX II Python:   Gamma by Multiplication Recursion Property Introduction The program calculates the gamm...

Plus42 and Casio fx-9750GIII:  Magnetic Flux Density of a Solenoid Introduction:  Ampère's Circuital Law A solenoid is an electromagneti...

 Essentially, the Texas Instruments TI-36X Pro and the TI-30X MathPrint are functionally equivalent.  What makes the two calculators differe...