Remote-processing BASIC 52 Manuel d'utilisateur télécharger pdf (Page 118)

RPBASIC-52 PROGRAMMING GUIDE

2-99

SGN

Syntax: SGN(expr)

Function: Returns +1 if expr is greater than zero, zero if the expr equals zero, and -1 if expr is less than zero.

Mode: Command, run

Use: PRINT SGN(S IN(X)))

Cards: All

DESCRIPTION

Use SGN in level con trol applications. If a level is high or low, it can direct control to the appropriate

program.

EXAMPLE

100 ON SGN(A)+1 GOSUB 2000,3000,4000

1 2 ... 113 114 115 116 117 118 119 120 121 122 123 ... 162 163

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Remote-processing BASIC 52 Manuel d'utilisateur Page 118