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why does 69.99*100=6998?

Posted by The Natural Philosopher on 02/01/08 15:59

The question says it all.

I have an input box, which I fill in with a price.
IOt gets passed to the main form as a variable, then shoved into an SQL
field vue a print '%d' statement where the argument is $price*100.

For some reaosn, this particular value goes to 6998.

If I update hee database manually to 6999, it displays as 69.99.

If I enter 69.999 it updates as 6999..not 69999

I must be doing something really dumb here..

 

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