SIMSCRIPT II.5 Programming Language

Appendix B.
Functions and Routines
B.1 Functions
Function
Function
Mnenonic Arguments Mode Description
abs.f e Mode of e Returns the absolute value of the expression.
and.f e 1
,e 2
Integer Logical product of e 1
and e 2
.
arccos.f e Real Computes the arc cosine of a real expression;
-1 > e > 1.
arcsin.f e Real Computes the arc sine of a real expression,
-1 > e > 1.
arctan.f e ,e 1 2
Real Computes the arc tangent of e /e ; (e ,e ) ≠
1 2 1 2
(0,0).
atot.f e Text Converts an alpha expression to a text value.
beta.f e ,e ,e 1 2 3
Real Returns a random sample from a beta distribution.
e 1
= power of x, real
e 2
= power of (1-x), real; e 1
> 0
e 3
= random number stream, integer
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