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 price calculation help!
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d3c0d3d




PostPosted: Fri Jan 16, 2004 6:25 pm   Post subject: price calculation help!

okay this is the sitaution....im making a caffeteria menu in turing and at the end when i ask the user for the money...if the their money is greater than the total price "money >= totalcost" it will tell them that they have enough money and "else" if they dont...heres the thing...when the price is say...$5.80...and he/she puts 5...it puts $-0.80...and tells me that they bought the item...can anyone tell me whats wrong?

heres my calculation for the change:
change := money - (totalcost * tax)

sorry if too confusing. Sad
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shorthair




PostPosted: Sat Jan 17, 2004 11:49 am   Post subject: (No subject)

becasue turing dosent stop at zero so you doin lets say ,
change = 6.00 - (8*2)

6-16 = -10

so tuing will say change = -10

if you want turing to stop at zero you have to say ,

if change <0 then.......
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