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

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#76 2007-01-10 10:37:47

MathsIsFun
Administrator
Registered: 2005-01-21
Posts: 7,529

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

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#77 2007-01-11 19:27:24

Devantè
Real Member
Registered: 2006-07-14
Posts: 6,400

Re: Mental arithmetic making you look bad?

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

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#78 2007-01-12 04:07:56

rida
Real Member
Registered: 2006-09-25
Posts: 839

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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