Math: math.ss

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## Math: `math.ss`

Files: `math.ss`, `mathu.ss`, `mathr.ss`, `maths.ss`
Signature: `mzlib:math^`
Unit: `mzlib:math@`, no imports

`(conjugate z)` PROCEDURE

Returns the complex conjugate of z.

`(cosh z)` PROCEDURE

Returns the hyperbolic cosine of z.

`e` NUMBER

Approximation of Euler's number, equivalent to `(exp 1.0)`.

`pi` NUMBER

Approximation of , equivalent to `(atan 0.0 -1.0)`.

`(sinh z)` PROCEDURE

Returns the hyperbolic sine of z.

`(sgn n)` PROCEDURE

Returns `1` if n is positive, `-1` if n is negative, `0` otherwise.

`(square z)` PROCEDURE

Returns `(* z z)`.