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ARITHMETIC FUNCTIONS
ABS (X)
This gives the absolute (positive) value of the argument. So ABS (-7)=7.
Example:
PRINT ABS (7-2*4) press ENTER
1
SGN (X)
This function will give the value of +1 if X is positive, 0 if X is zero, and -1 if X is negative.
So SGN(4.3)=1; SGN(0)=0; SGN(-276)=-1
Example:
A=6 press ENTER
PRINT SGN (A); SGN (A-A) press ENTER
1 0
INT (X)
This converts numbers which are not whole into the largest whole number below the
argument. So INT (5.9)=5; also INT (-5.9)=-6. Note that with negative arguments, the
absolute value of the result returned by INT will be greater than that of the number.
Example:
PRINT INT (-6.7) press ENTER
-7
RND (X)
This will produce a random number between 1 and X if X is a positive number.