RAD Function

RAD(real-expression)

Converts an angle from degrees to radians. The result is a real number.

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Examples

PRINT RAD(180)

Produces approximately 3.14159 (PI#).

PRINT RAD(90)

Produces approximately 1.570796.

REM Round-trip conversion
angle# = 270
PRINT "Radians = "; RAD(angle#)
PRINT "Degrees = "; DEG(RAD(angle#))

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Notes

• Conversion formula: radians = degrees * PI / 180.
• Returned as a real value.
• Useful for trigonometric functions (SIN, COS, TAN), which all expect input in radians.

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See also: DEG · SIN · COS · TAN