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Square roots

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stoogmeister | 08:40 Wed 19th Sep 2001 | How it Works
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How can you work out the square root of a number directly ie without using trial and error?
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Avatar Image Waterwolf
It's not very convenient, but if you look at the sequence of square numbers (1, 4, 9, 16, 25...) you'll see the intervals are all odd numbers (3, 5, 7, 9 etc) and you can work it out by adding on that way.
10:34 Fri 28th Sep 2001

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Square roots

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