aton
The aton function is a numeric function that converts strings into real numbers. The numeric functions enable you to convert one data type to another.
Syntax
Use this syntax:
real = aton(string);
where: real = real number variable
string = string variable
Example
An example of this function follows:
real b;
string[20] s;
s = "5.5";
b = aton(s);
// "b" contains the value 5.5