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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#76 2007-01-11 09:37:47

MathsIsFun
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Re: Mental arithmetic making you look bad?

There could also be an extra "unseen" character like a space.


"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman
 

#77 2007-01-12 18:27:24

Devantè
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Re: Mental arithmetic making you look bad?

Or, it could be that the enter button was being pressed after the answer was entered.

 

#78 2007-01-13 03:07:56

rida
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Re: Mental arithmetic making you look bad?

mathsyperson wrote:

Are you sure that you didn't just accidentally type 8 or 0? I've never seen it get its own sums wrong like that before. Did it just happen once or is it being consistent?

It only happened once.


Dreams don't come true, you gotta make them come true.
 

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