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Diffstat (limited to 'doc/math/math.texi')
-rw-r--r-- | doc/math/math.texi | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/doc/math/math.texi b/doc/math/math.texi new file mode 100644 index 0000000..12330f9 --- /dev/null +++ b/doc/math/math.texi @@ -0,0 +1,37 @@ +@node Miscellaneous +@section Miscellaneous + +Miscellaneous math procedures. + +@anchor{2d math pi}@defvar pi +@end defvar + +@anchor{2d math degrees->radians}@defun degrees->radians angle +Convert ANGLE in degrees to radians. + +@end defun + +@anchor{2d math radians->degrees}@defun radians->degrees angle +Convert ANGLE in radians to degrees. + +@end defun + +@anchor{2d math sin-degrees}@defun sin-degrees angle +Compute the sin of ANGLE expressed in degrees. + +@end defun + +@anchor{2d math cos-degrees}@defun cos-degrees angle +Compute the cosine of ANGLE expressed in degrees. + +@end defun + +@anchor{2d math tan-degrees}@defun tan-degrees angle +Compute the tangent of ANGLE expressed in degrees. + +@end defun + +@anchor{2d math atan-degrees}@defun atan-degrees y x +Compute the arctangent in degrees of the coordinates Y and X. + +@end defun |