READ

READ reads a variable of numeric type (I, R, L) from a character string, or expression.

Examples:

       >>  read
       Variable name?  azimuth
       Input string?   '127'

       >>  declare string c80
       >>  read string '145.001'
       >>  read azimuth string

       >>  read azimuth '127'

see also the ASK command to read from the terminal or command file.