Mark Wickens

VALF

Purpose

Performs calculation of numeric expression as string, and returns the result.

Format

VALF    ( string )
         └─┬──┘ 
   String expression

Example

VVALF(X$)

Parameters

string: String expression

Explanation

1. Performs calculation of numeric expressions which are expressed as strings, and returns their results.
2. An error is generated when an intermediate or final result of calculation exceeds 10^100.
3. VALF cannot be used within a VALF argument.

Sample Program

10  X$ = "123+456"
20  PRINT VALF(X$)
30  PRINT VALF("EXP 2")

RUN
579
7.389056099

Executes the strings “123+456” and “EXP 2” as numeric expression and displays results.