Sharp PC-1403 Operation Manual page 189

183
SOU is a numeric function which returns the square of its numeric argument.
SQU 3 is 9.
i SQU numeric expression
SOR is
a
numeric function which returns the square root of its argument. It is identical
to the use of the special square root symbol (V) on the keyboard. SOR 4 is 2.
1 SQR numeric expression
SIN is a numeric function which returns the sine of the angle argument. The value
returned depends on whether the COMPUTER is in decimal degree, radian, or grad
mode for angles. SIN 30 is 0.5 in decimal degrees.
SGN is a numeric function which returns a value based on the sign of the argument. If
the argument is positive, the result i s 1; if the argument is zero, the result is
O;
if the
argument is negative, the result is ~1. SGN -5 is
-1_
[-1-
SIN numeric expression
1 SGN numeric expression
ROT is a numeric function which returns the power root of its argument.
125 ROT 3 is 5.
(i.e.:
~125
should be entered as
125
ROT
3.)
1 numeric expression ROT numeric expression
The same sequence of random numbers is normally generated because the same
"seed" is used each time the COMPUTER is turned on. To randomize the seed, see
the RANDOM verb.
Lower Bound
Argument
Upper Bound
<1
2
3
0<
_5
2
2.5
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Functions
Numeric Functions