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Math
How can I...
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Date
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...convert a hexadecimal number into a Integer?
07.08.2001
Hits: 59438
..convert a Binary Number into a Decimal Number?
11.04.2001
Hits: 58228
...use Base64 encoding and decoding?
17.06.2002
Hits: 48020
...round a number correctly?
11.06.2001
Hits: 43844
...measure an elapsed time with a high-resolution performance counter?
21.05.2001
Hits: 42318
...encrypt text using key numbers?
10.08.2001
Hits: 41922
...calculate simple arithmetical expressions?
19.04.2001
Hits: 40537
...convert minutes in a days / hours / minutes format?
14.02.2005
Hits: 40270
...check if a number is prime?
17.12.2001
Hits: 39478
...validate an IBAN?
23.09.2002
Hits: 38999
...Draw the Mandelbrot Fractal?
05.04.2002
Hits: 38882
...calculate the age of a person?
25.12.2002
Hits: 38218
...get the difference between 2 dates?
31.08.2000
Hits: 37980
...convert a hexadecimal number into a binary number?
11.04.2001
Hits: 37457
...convert Hex codes to Integer?
13.08.2000
Hits: 37177
...determine if a number is prime, quickly (2)?
14.06.2002
Hits: 36445
...calculate the german holidays?
28.06.2002
Hits: 36432
...sort an Array with the Shell Sort Algorithm?
01.03.2003
Hits: 36223
...calculate the factorial of a given number?
16.02.2002
Hits: 35576
...code and decode strings and files?
04.01.2005
Hits: 35519
...calculate Java hashCode?
23.04.2005
Hits: 35236
...compute binomial coefficient (fast)?
14.04.2005
Hits: 34849
...Determine if 3 points are collinear in 3D?
22.01.2005
Hits: 34205
...Determine if a point exists within a triangle?
11.12.2005
Hits: 33621
...invert a matrix?
27.01.2002
Hits: 33519
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