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Filename exact.zip (Download)
Description This program figures out exact values of numbers that can be expressed with the square- or third root. Take a number like -.2599210499: this program converts it into the third root of negative 2, plus 1. A number like -.2679491924 is converted into sqrt(3)-2. This is useful when you have the numerical values of roots of second or third degree equations. You can enter a complex number if you wish. Numbers like the third root of 7/13, and 68/sqrt(7), are handled right away. The program has had a complete makeover, and now you are asked with what increment you want to search with. Remember that the smaller the increment the better the precision and the longer it will take. If the number you are looking for is Sqrt(2/3)-1/7, you mustn't use a larger increment than 1/7, or one that does not have a factor 1/7. So it might take several tries before you get the correct result. You are also asked if you want the program to search for a third root straight away, which if you are sure, can save a lot of time. Also, after searching for a square root, you are asked if you want to continue searching for a third root. If you want to search again, simply press A when asked "INPUT?".
Author Anders Tiberg (anders.tiberg@telia.com)
Category TI-83/84 Plus BASIC Math Programs (Algebra)
File Size 1,841 bytes
File Date and Time Tue Jul 3 14:42:11 2012
Documentation Included? Yes



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Archive Contents
Name Size
AEXACT.8xp   1339
AEXACT.rtf   1805

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