What's the most important tool for a mathematician?

The pen? The pencil? The calculator? The binders? or as a mathematician said... the stapler? Assume that we exclude the computer.
Answer:

Chalk. Math was not meant to be done on paper, but on the chalk board. It's great when you have it in your hand and you have a work surface that is so huge. I love it.

Theta40 at Yahoo! Answers Visit the source

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Other answers

the brain

zzziana

The pen and notebook with graphing paper pages (the one with grids)... we need to write and compile all our work... it's easy to lose anything if you use loose sheets... anything else just simplify or automate...

boo0726

If you were a mathematician, wouldn't the most important thing to have are some NUMBERS to work with?? ;-)

The Grinning Duck

The brain to use pencil & othre tools so solve problems

pank_ti

A pencil and paper are essential. Calc only makes his life easier.

Whatever

the brain

Campbell Gramma

His brain.....

Deep

depends on whom ur sitting next to in the exam

Ricky

the mind.... and the calculator haha

ddawg69

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