Casio FX-730P - Abs; Sgn

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CHAPTER 6 Command Reference
ABS
Function:
Argument
Numeric expression
Obtains the absolute value for a given argument.
Parameter:
Argument:
Numeric expression.
Explanation:
1) Obtains the absolute value of a given argument.
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2) As a rule, the argument is enclosed in parenthesis but the parenthesis can be
omitted
if the argument is a variable or a numeric value.
SGN
Function:
Argument
Numeric expression
Obtains a value (1, 0 or -1) corresponding to the sign of a given argument.
Parameter:
Argument:
Numeric expression.
Explanation:
1) Gives a value that corresponds to the sign of an argument.
When an argument
is positive, 1
When an argument
is 0, 0
When an argument is negative, -1
2) As a rule, the argument is enclosed in parenthesis but the parenthesis can be
omitted
if the argument is a variable or a numeric value.