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| Subject: | XploRe: Learning Guide |
| See XploRe: |
| Quantlet: | quant15 | |
| Description: | Square root with warning, if the argument is negative. | |
| Download: | quant15.xpl |
proc() = test(x) ; defines a procedure
warning(x<0,"Negative argument!")
; displays a warning box containing the
; specified text in case x is
; negative at the end of the program
sqrt(abs(x)) ; computes the squareroot of abs(x),
; whatever the above command found
; about x
endp ; end of the procedure
;
test(-9) ; runs the procedure with value -9
| Subject: | XploRe: Learning Guide |
| See XploRe: |