The biggest n you can put using this tool is 79 because of software limitation.

The Fibonacci sequence is a series of numbers where the next number is found by adding up the two numbers before it.

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Atbash Cipher Converter

Caesar Cipher Converter

Morse Code Converter

Find here various cipher and code conversions like Atbash cipher, Caesar cipher and Morse code.

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Half-life is the time required for a quantity to reduce to half its initial value. Its calculation is based on a exponential decay equation.

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This tool uses the Mersenne Twister random number generator to provide a uniform distribution of integer numbers.

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This tool randomly pick a winner (or winners) for contests, giveaways, raffles and sweepstakes from a given list of names. It uses the Mersenne Twister random number generator to provide a uniform distribution of winners, and this way insure the fairness of the contest.

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Gray code is a binary numeral system where two successive values differ in only one bit. It is also known as the reflected binary code.

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