Quod Erat Demonstrandum

2009/05/30

WolframAlpha

Filed under: Information — johnmayhk @ 10:32 下午
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Gower 介紹了 WolframAlpha,值得推介:

http://www94.wolframalpha.com

比如要找 3^100 的頭十個位,又或是在 1000 至 2000 內的所有質數,全不費力。我略略在其網頁輸入:

the first 10 digits of 3^100
prime numbers between 1000 and 2000
euler constant
napier number
100 digits of e
200 digits of pi

立即得出解答,數學人應該用得著。

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