From QB64.org wiki
The STR$ function returns the STRING representation of a numerical value.
- result$ = STR$(number)
- number is any numerical type value to convert.
- Returns any type number value with leading sign(space/minus) or decimal point when one exists in the numerical value.
- If number is positive, the STRING value returned will have a leading space character which can be removed using LTRIM$.
- If number is negative, the minus sign will precede the number instead of a space which LTRIM$ will not remove.
- Trimming a STR$ string number using RTRIM$ is not required as PRINT creates the undocumented trailing number space.
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