input — prompt for user input
x = input(message [, "string"])
character string
the character string "string"
(may be
abbreviated to "s"
)
real number (or character string if
"string"
is in the calling sequence)
input(message)
gives the user the prompt in the text string and
then waits for input from the keyboard.
The input can be expression which is evaluated by evstr.
If nothing but a carriage return is
entered at the prompt input(message)
returns an empty matrix
Invoked with two arguments, the output is a character string which is the
expression entered at keyboard. If nothing but a carriage return is
entered at the prompt input(message)
returns a single white
space " "
.