Wanted: 71B ram module(s) (and maybe more?)

[Valentin Albillo]

.
Hi, badacktor,

(01-18-2023 09:07 AM)badacktor Wrote:  Recently purchased an HP-71B (quick shout-out to mark fleming, for his multimod and support!) and it's been really exciting. Sadly, all I really have is the device itself and a text editor module, which is still very fun but like...I want moooore.

Congratulations on your purchase, the HP-71B is among the best classic calculators ever released by HP, if not the very best.

Quote:Most importantly, [...] Even just words of wisdom or advice.

Have a look at this 150-page PDF document created by forum's member Sylvain Cote, featuring everything about hardware/software/misc related to the HP-71B:

HP-71B Compendium

Also, you may want to have a look at the following PDF articles I wrote which extensively discuss and/or feature the HP-71B, and also include full, documented programs for it:

Long Live the HP-71B, (full description and history, includes a Text Stereograms generator program)
HP-71B Modest Mater, (program to solve Mate-in-N chess problems)
HP-71B Math ROM Bakers Dozen (Vol. 1), (many tips and useful code snippets, first part)
HP-71B Math ROM Bakers Dozen (Vol. 2), ((many tips and useful code snippets, second part))
HP-71B Short and Sweet Sudoku Solver, (program to solve any Sudoku puzzle)
HP-71B Sudoku Solver Sublime Sequel, (enhancement to the program to solve any Sudoku puzzle)
HP-71B Sudoku Generator and Coach, (program to generate new Sudoku puzzles and coach you to manually solve any puzzle)
HP-71B Fantastic FOUR, (multiprecision multiplication using Fast Fourier Transforms)
HP-71B Minimax Polynomial Fit, (program to fit a set of data to the very best possible polynomial)
25 years of Othello, (My story with Othello, includes a program to play Othello versus the machine)
Small Fry - Primes Acounting, (routine to very quickly count primes on a given interval with excellent accuracy)
Small Fry - Let's Be Rational, (routine to convert reals to fractions and find their continued fracton form)
Boldly Going - Matrix Square Root, (routine to compute the square root of a given matrix)
Boldly Going - Identifying Constants, (program to find the symbolic expression which evaluates to a given numeric value, many applications)
HP-71B Advanced Uses of STRNGLEX, (focuses on its less known keywords, whose capabilities are described with examples aplenty)
Boldly Going - Mandelbrot Set Area, (includes a program to quickly compute an accurate estimation of Mandelbrot set's area)
Math Pac 2 - My Comments and Proposals, (details the new keywords I propose for the HP-71 Math Pac 2, a new J-F Garnier's project)
Boldly Going - Abundant but Rare, (quickly and exactly finds an interesting and rare kind of so-called abundant numbers, up to 205-digit long)
Boldly Going - Eigenvalues and Friends, (computes the Characteristic Polynomial, Inverse and Determinant of real/complex matrices)
Boldly Going - Climbing Project Euler, (my story with Project Euler, includes 7 solved non-trivial problems with full details and comments)
Boldly Going - Outsmarting PROOT (71B), (subprogram+driver to find at once all real/cplex roots of polynomials with real/cplex coeffs.)
DOMINOKU – Swiftly Solving Domino Grids, (solves a newspaper-style domino puzzle which goes by assorted names (“Domino Logic”, etc.)

Finally, there's plenty of additional programs, pictures, and other articles for the HP-71B at my HP site, look in the Sections HP Calculator Programs, HP Calculator Raw Scans and HP Calculator Pictures (includes detailed descriptions)

More than enough to keep you busy for weeks with your new HP-71B !

V.