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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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On-Line Encyclopedia of Integer Sequences
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The On-Line Encyclopedia of Integer Sequences is an online database of integer sequences. It was created and maintained by Neil Sloane while researching at AT&T Labs. He transferred the intellectual p
Second edition of the book
Second edition of the book
Square root of 2
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The square root of 2 is the positive real number that, when multiplied by itself or squared, equals the number 2. It may be written as 2 or 2 1 / 2. It is an algebraic number, and therefore not a tran
Babylonian clay tablet YBC 7289 with annotations. Besides showing the square root of 2 in sexagesimal (1 24 51 10), the tablet also gives an example w
Babylonian clay tablet YBC 7289 with annotations. Besides showing the square root of 2 in sexagesimal (1 24 51 10), the tablet also gives an example where one side of the square is 30 and the diagonal then is 42 25 35. The sexagesimal digit 30 can also stand for 0 30 = ⁠1/2⁠, in which case 0 42 25 35 is approximately 0.7071065.