Metrologic IS1000 Series Guía de usuario descargar pdf (Pagina 32)

CipherLab BASIC Compiler

User's Guide

Syntax

REM remark

' remark

Remarks

"remark" may be any sequence of characters.

The BASIC compiler will ignore whatever follows the REM or ' until end of the

line.

Example

REM This is a comment. ' This is a comment.

SET_PRECISION

Purpose

To set the precision of the decimal points for printing real number expressions.

Syntax

SET_PRECISION(N%)

Remarks

"N%" is a numeric expression in the range of 0 to 6.

The precision is set to two digits by default.

Example

PI! = 3.14159

PRINT "PI = ", PI!

SET_PRECISION(6)

PRINT "PI = ", PI!

SET_PRECISION(2)

PRINT "PI = ", PI!

' result: PI = 3.14 (by default)

' result: PI = 3.141590

' result: PI = 3.14

SGN

Purpose

To return an indication of the mathematical sign (+ or -) of a given numeric

expression.

Syntax

A% = SGN(N)

Remarks

"A%" is an integer variable to be assigned to the result.

Value Meaning

-1

N > 0

N = 0

N < 0

“N" is a numeric expression.

Example

A% = SGN(100)

B% = SGN(-1.5)

' A% = 1

' B% = -1

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Metrologic IS1000 Series Guía de usuario Pagina 32

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