SOLVERX for CASIO fx CG50

Description

This program solves polynomials using the Solve(-function. To avoid getting the same value it divides the function with the factors as it goes, Solve(y1,x, -100,100)->A, Solve(y1/(x-A),x, -100,100)->B. It can repeat this process up to four times, but it can also combine the roots to solve equations of a higher degree than four. The program can find second degree factors like: {2,-8,-7}, {1,8,-1} etc. It can also find factors like 5x^6 -3, all the way down to 2x-1.There is a subroutine, SOLVSUB, which has 1312 bytes, while the main program has 672 bytes, a total of 1984 bytes. If the program stops with a Can’t Solve, press EXIT to quit then, and if there is information missing, check list4 in MODE1. Sometimes the program factors the equation into both linear and quadratic factors. The advantage with this program compared with SOLVERY, is the speed: {72,189,-104,-198,165,-34} is factored to {24,23,-17} and {3,5,-7,2} in just a few seconds, while SOLVERY takes around four minutes and 20 seconds. The drawback is that SOLVERX can only find rational second degree factors which has real roots. You enter the left side coefficients of the equation as a list. The right side has to be null. A good idea is to have both programs on your calculator, and try with SOLVERX first.

Archive Contents

Name Size
SOLVERX.rtf 1.9 KB
SOLVERX.g3m 728 bytes
SOLVSUB.g3m 1.3 KB
File Size
3.7 KB

Metadata

Author
Anders
Uploaded
1 year, 4 months ago

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Versions

1. SOLVERX for CASIO fx CG50 (published 1 year, 4 months ago; 2023-03-18 23:23 UTC)
2. SOLVERX for CASIO fx CG50 (published 1 year, 4 months ago; 2023-03-18 14:51 UTC)

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