CAS command question

01142017, 02:40 AM
(This post was last modified: 01142017 03:49 PM by compsystems.)
Post: #89




RE: CAS command question
Comparison with classPAd400
(x<13) AND (x>5); returns (13>x) AND (x>5) // ok the same above expression, but rewritten. 5<x<13; returns 0 ? (Inconsistency) (x<13) OR (x<5); returns (13>x) OR (5>x) // ok (x<13) XOR (x<5); returns 0? not(x<13); returns NOT(13>x) // Does not reverse inequality solve(ABS(2x) = 1,x); "Unable to isolate function abs" ? Ideal if BERNARD implement some functions of the classPAD such as EXCHANGE: reverses the direction of inequality, but that can not rewrite place between 'QUOTES' (GOOD IDEA)? REWRITE: Takes the expression on the right side, to the left ABSEXPAND, NOT: for Inequality simplify: for Inequality collect: for Inequality 

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