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Ranked as 9636 on our all-time top downloads list with 4020 downloads.
Ranked as 108 on our top downloads list for the past seven days with 46 downloads.

Filename factor.zip (Download)
Description This program finds the linear factors of a polynomial of one variable. Try for example 117X^4 -20X^3 -390X^2 +20X +273. If the polynomial only has rational factors it will be completely factored. The above example will factor as (X-1)(X+1)(9X+13)(13X-21), If the polynomial has irrational or imaginary/complex roots in addition to rational roots, or if the program can't find any factor, the program will show the coefficients of the remaining polynomial. For example: X^3 +X^2 +X -3, will give a linear factor of (X-1), the program will then display: OTHER FACTOR: {1 2 3}. Which means that 1X^2 +2X +3, is another integral factor. If the program can't find any linear factor, or when there is not enough of them, it tries a substitution for X^2. It can then find factors like, (AX^2+B). This makes it more likely that it finds all the integral factors. Try for example: X^5-X^4+2X^3-2X^2-15X+15. UPDATE: The program is now three times faster for the first equation above.
Authors Anders Tiberg (anders.tiberg@telia.com)
Joe Erdeky (erdeky@inbox.com)
Category TI-83/84 Plus BASIC Math Programs (Algebra)
File Size 2,167 bytes
File Date and Time Tue Oct 10 19:49:49 2017
Documentation Included? Yes



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Archive Contents
Name Size
FACTOR.8xp   1373
FACTOR.rtf   2060

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