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/sci/ - Science & Math

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>> No.5702950 [View]
File: 223 KB, 1126x1148, 1366361398713.jpg [View same] [iqdb] [saucenao] [google]
5702950

By the way, if anyone is unfamiliar lund check works like this: 16 digit CC number, take every odd digit and double them. if faced with double digit number, add them up to get single digit. once you have all those new numbers, add them to all even numbers but 16th, you will get a number around 55-65, the 16th digit, when added must total a sum perfectly dividable by 10. so 1-15 add up to 63, 16th will be 7 on a valid card.

>> No.5192763 [View]
File: 223 KB, 1126x1148, 1349673349262.jpg [View same] [iqdb] [saucenao] [google]
5192763

What /mu/sic do you listen to when working or reading to help you concentrate /sci/ ?

>> No.5131253 [View]
File: 223 KB, 1126x1148, GENTLEMEN!.jpg [View same] [iqdb] [saucenao] [google]
5131253

Out of all the boards on 4chan this one seems to attract the most intelligent people. Why don't any of you put your mathematical skills to work with investments? I'm sure some people on here could be heavy hitters in the business world.

>> No.3644583 [View]
File: 223 KB, 1126x1148, 1306620029802.jpg [View same] [iqdb] [saucenao] [google]
[ERROR]

the fuck is QFT ?

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