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Anyone know what “sign(y)” means on ti89?
coryprovost
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Jun 21
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Anyone know what “sign(y)” means on ti89?
learnmath
coryprovost
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Jun 21
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The "signum" function is -1 when the argument is negative, 0 when the argument is 0, and +1 when the argument is positive.
McCrossanMLA
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Jun 21
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McCrossanMLA
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