UBI EasyCoder 201 IIE Manual de Instruções descarregar pdf (Página 272)

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Intermec Fingerprint v7.61 – Programmer’s Reference Manual Ed. 7270

Chapter 2 Program Instructions

VAL

Field of Application

Function returning the numeric representation of a string expression.

Syntax VAL(<sexp>)

<sexp> is the string expression from which the numeric representation

will be returned.

Remarks

VAL is the complementary function for STR$.

VAL ignores space characters from the argument string to determine

the result.

If the ﬁ rst character in the string expression is anything else but a digit, a plus

sign, or a minus sign, the VAL function returns the value 0.

Example

In this example, the values of the string variables A$ and B$ are read and

assigned to the numeric variables A% and B%:

10 A$="123, MAIN STREET"

20 A%=VAL(A$)

30 B$="PHONE 123456"

40 B%=VAL(B$)

50 PRINT A$

60 PRINT A%

70 PRINT B$

80 PRINT B%

RUN

yields:

123, MAIN STREET

123

PHONE 123456

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