Arbitrary Precision Software

HIME: Huge Integer Math and Encryption by DevOTechS

Library with encryption functions (public key/secret key) and huge integer math functions. RSA public key, AES (Rijndael) secret key encryption, SHA-256 hash function, PRNG: Blum-Blum-Shub and RSA, Diffie-Hellman. For every programming language.

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xlPrecision by PrecisionCalc

Eliminate hidden spreadsheet errors with xlPrecision, an add-in for Microsoft Excel that provides vastly more precise results from formulas, eliminates binary conversion errors, allows you to use vastly larger & smaller numbers, and more.

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Googol+ by AtelierWeb Software

Arbitrary Precision Calculator for Windows with advanced features like factoring, continued fractions calculation, primality testing, factorials and much more.

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