dgd/

dgd/doc/

dgd/doc/kfun/

dgd/doc/net/

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dgd/src/

dgd/src/comp/

dgd/src/ed/

dgd/src/host/

dgd/src/host/unix/

dgd/src/host/win32/

dgd/src/host/win32/res/

dgd/src/kfun/

dgd/src/lex/

dgd/src/lpc/

dgd/src/parser/

NAME
	acos - compute arc cosine

SYNOPSIS
	float acos(float x)


DESCRIPTION
	Return the arc cosine of the argument.

ERRORS
	If the argument is less than -1 or larger than 1, an error will result.

SEE ALSO
	kfun/asin, kfun/atan