Casio FX-890P Owner's Manual page 67

SQR
PURPOSE: Returns the square root of the argument.
FORMAT:
SQR (argument)
Numeric expression
The parenthesis enclosing the argument can be omitted when the argument is a
numeric value or variable.
EXAMPLE: SQR (4)
PARAMETERS: argument must be positive.
SEE: CUR
TAN
PURPOSE: Returns the value of the tangent of the argument.
FORMAT:
TAN (argument)
Numeric expression
The parenthesis enclosing the argument can be omitted when the argument is a
numeric value or variable.
EXAMPLE: TAN (PI/3)
PARAMETERS: argument: numeric expression (angle).
-1440° < argument < 1440°
-8π Radians < argument < 8π Radians
-1600 Grads < argument < 1600 Grads
EXPLANATION:
1. The unit of the argument is specified using the ANGLE function.
2. argument must be different from 90° or 270° (π/2 or 3π/2 Radians).
3. The returned value is in the ]-1x10
SEE: ANGLE, ATN, COS, SIN
100 100
, 10 [ range.
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