From 1f1deea662da4328bf588c0642c8a90c7b1f2144 Mon Sep 17 00:00:00 2001 From: David Thompson Date: Tue, 24 Sep 2013 21:06:41 -0400 Subject: Rough draft of manual. --- doc/math/math.texi | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 doc/math/math.texi (limited to 'doc/math/math.texi') 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 -- cgit v1.2.3