(getreal)

(getstring) →

(getreal [prompt])

Ask the user to specify a real number.

This function waits for user input of a real number and returns that real number. You can supply a prompt argument asking the user to enter a number.

Examples

Code	Returns
(getreal) [type -5]	no response -5.0
(getreal "Scale factor: ") [type 5	Scale factor 5.0

Tell me about...

(getint [prompt])

(getpoint [point] [prompt])

(getstring [flag] [prompt])

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language