Help Find Error In LISP?

Discussion in 'AutoCAD' started by MiD-AwE, Feb 25, 2005.

  1. MiD-AwE

    MiD-AwE Guest

    I'm working on what should be a simple code to calculate gallons of water in a swimming pool as part of title block automation. Below is what I have so far. The problem appears after entering the average depth the lisp stops and displays the following error:

    ; error: bad argument type: numberp: "5"
    Code:
    (DEFUN CALGAL (/ CMD SA AD GAL)
(SETQ CMD (getvar "CMDECHO"))
(SETVAR "CMDECHO" 0)
(SETQ SA (getstring "\nWhat is the POOL's SURFACE AREA: "))
(SETQ AD (getstring "\nWhat is the POOL's AVERAGE DEPTH: "))
(SETQ GAL (* (* AD 7.5) SA))
(COMMAND SA "" GAL)
(SETVAR "CMDECHO" CMD)
(PRINC)
)
    Please, help I'm at a loss.
    Thank you.
     
    MiD-AwE, Feb 25, 2005
    #1
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