You need more coffee ;)
100 - (10 + 1) is algebraically equivalent to 100 - 10 - 1

Tim Funk wrote:
<slap forehead='mine'>Got it</slap>

thanks

-Tim

On 4/26/2010 6:36 AM, Mark Thomas wrote:
On 26/04/2010 11:33, Tim Funk wrote:
I'm feeling stupid at the moment. (Or need more coffee) But why do the
parenthesis make a difference? (Since only addition/subtraction is done
and no multiplication - I can't tell why this fixes it)

100 - 10 + 1 = 91
100 - (10 + 1) = 89

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