Converts a string to a number.
Number ( string )
Argument  | 
Description  | 
|---|---|
string  | 
The string you want returned as a number  | 
A numeric datatype. Returns the contents of string as a number. If string is not a valid number, Number returns 0.
This expression converts the string 24 to a number:
Number("24")
This expression for a computed field tests whether the value in the age column is greater than 55 and if so displays N/A; otherwise, it displays the value in age:
If(Number(age) > 55, "N/A", age)
This validation rule checks that the number the user entered is between 25,000 and 50,000:
Number(GetText())>25000 AND Number (GetText())<50000