# How does a calculator work?

Calculators are rather speedy at subtracting, sums and deriving standard deviations. But how do they do it? We find out in this QotW. Plus, we ask if modern medicine is affecting...

12 September 2011

Calculators are rather speedy at subtracting, sums and deriving standard deviations. But how do they do it? We find out in this QotW. Plus, we ask if modern medicine is affecting the human gene pool.

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### 00:00 - How does a calculator work?

Calculators are rather speedy at subtracting, sums and deriving standard deviations. But how do they do it? We find out in this QotW. Plus, we ask if modern medicine is affecting the human gene pool.&

### How does a calculator work?

Calculators are rather speedy at subtracting, sums and deriving standard deviations. But how do they do it? We find out in this QotW. Plus, we ask if modern medicine is affecting the human gene pool.

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