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.