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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: 50810
..convert a Binary Number into a Decimal Number?
11.04.2001
Hits: 46485
...use Base64 encoding and decoding?
17.06.2002
Hits: 39826
...round a number correctly?
11.06.2001
Hits: 35994
...measure an elapsed time with a high-resolution performance counter?
21.05.2001
Hits: 34954
...encrypt text using key numbers?
10.08.2001
Hits: 34871
...calculate simple arithmetical expressions?
19.04.2001
Hits: 33538
...check if a number is prime?
17.12.2001
Hits: 32087
...get the difference between 2 dates?
31.08.2000
Hits: 31040
...calculate the age of a person?
25.12.2002
Hits: 30941
...convert a hexadecimal number into a binary number?
11.04.2001
Hits: 30493
...Draw the Mandelbrot Fractal?
05.04.2002
Hits: 30368
...convert Hex codes to Integer?
13.08.2000
Hits: 30144
...validate an IBAN?
23.09.2002
Hits: 29546
...convert minutes in a days / hours / minutes format?
14.02.2005
Hits: 29375
...sort an Array with the Shell Sort Algorithm?
01.03.2003
Hits: 29160
...code and decode strings and files?
04.01.2005
Hits: 28484
...calculate the german holidays?
28.06.2002
Hits: 28482
...calculate the factorial of a given number?
16.02.2002
Hits: 27435
...determine if a number is prime, quickly (2)?
14.06.2002
Hits: 27246
...invert a matrix?
27.01.2002
Hits: 26842
...calculate Java hashCode?
23.04.2005
Hits: 26064
...decode a TDate typ?
07.10.1999
Hits: 25874
...convert a decimal number to roman numerals?
26.09.2001
Hits: 25671
...compute binomial coefficient (fast)?
14.04.2005
Hits: 25616
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