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Math
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Date
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...convert a hexadecimal number into a Integer?
07.08.2001
Hits: 51204
..convert a Binary Number into a Decimal Number?
11.04.2001
Hits: 47004
...use Base64 encoding and decoding?
17.06.2002
Hits: 40290
...round a number correctly?
11.06.2001
Hits: 36372
...measure an elapsed time with a high-resolution performance counter?
21.05.2001
Hits: 35243
...encrypt text using key numbers?
10.08.2001
Hits: 35217
...calculate simple arithmetical expressions?
19.04.2001
Hits: 33819
...check if a number is prime?
17.12.2001
Hits: 32399
...get the difference between 2 dates?
31.08.2000
Hits: 31382
...calculate the age of a person?
25.12.2002
Hits: 31272
...Draw the Mandelbrot Fractal?
05.04.2002
Hits: 30844
...convert a hexadecimal number into a binary number?
11.04.2001
Hits: 30758
...convert Hex codes to Integer?
13.08.2000
Hits: 30472
...validate an IBAN?
23.09.2002
Hits: 30054
...convert minutes in a days / hours / minutes format?
14.02.2005
Hits: 29977
...sort an Array with the Shell Sort Algorithm?
01.03.2003
Hits: 29461
...calculate the german holidays?
28.06.2002
Hits: 28826
...code and decode strings and files?
04.01.2005
Hits: 28776
...calculate the factorial of a given number?
16.02.2002
Hits: 27803
...determine if a number is prime, quickly (2)?
14.06.2002
Hits: 27511
...invert a matrix?
27.01.2002
Hits: 27060
...calculate Java hashCode?
23.04.2005
Hits: 26479
...decode a TDate typ?
07.10.1999
Hits: 26110
...compute binomial coefficient (fast)?
14.04.2005
Hits: 26056
...convert a decimal number to roman numerals?
26.09.2001
Hits: 25896
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