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The Maxima on-line user's manual

Algebra Calculator

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Sign

Function: sign (<expr>) Attempts to determine the sign of <expr> on the basis of the facts in the current data base. It returns one of the following answers: pos (positive), neg (negative), zero, pz (positive or zero), nz (negative or zero), pn (positive or negative), or pnz (positive, negative, or zero, i.e. nothing known).

There are also some inexact matches for sign. Try ?? sign to see them.

(%o1)                                true
(%i2) 

Related Examples

sign

eq1:sign(-5);

Calculate

sign

sign(-1);

Calculate

sign

sign(0);

sign(-10);

sign(20);

Calculate

sign

sign(-2);

Calculate

sign

sign(-1);

Calculate

sign

sign(-23)*3;

Calculate

sign

sign(0);

sign(-10);

sign(20);

Calculate

sign

sign(-10) * 16;

Calculate

sign

eq1:sign(5);

Calculate