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yes how do I add in a statement to or a line to where if the user inputs a temp like 85
it will show a box that says Error or invalid number

Thanks for the info Norm

so are you guys able to help
I need to add in the where if the user punches in a number not in the guidelines then a box pops up saying "Error" or "invalid number"

Hey guys so I made this code for wind chill temp and Im stuck on one part.
the part Im stuck on is that he wants a programs with dialog boxs and restriction

"temp ranges -58 - 41 and wind speed...