xHarbour Reference Documentation > Function Reference

RtoD()

Converts angles from radians to degrees.

Syntax

RtoD( <nRadians> ) --> nDegrees

Arguments

<nRadians>

A numeric value specifies the radians as a fraction (or multiple) of Pi().

Return

The numeric return value is the angle in degrees (one full circle = 360 degrees).

Info

See also:	DtoR()
Category:	CT:Math , Mathematical functions , Trigonometric functions
Source:	ct\trig.c
LIB:	xhb.lib
DLL:	xhbdll.dll

Example

// the example displays fractions of Pi in degrees
   PROCEDURE Main
      ? RtoD(   0     )   // result:    0.00
      ? RtoD(  Pi()/8 )   // result:   22.50
      ? RtoD(  Pi()/6 )   // result:   30.00
      ? RtoD(  Pi()/4 )   // result:   45.00
      ? RtoD(  Pi()/2 )   // result:   90.00
      ? RtoD(  Pi()   )   // result:  180.00
   RETURN