Libraries tagged by precision

Arbitrary-precision arithmetic library

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Object-oriented wrapper/shim for BC Math PHP extension. Allows for arbitrary-precision math operations.

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Correctly-rounded arbitrary precision decimal floating point

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Pure-PHP arbitrary precission integer arithmetic library. If GMP or BCMath are available they are used.

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Extends php BCMath lib for missing functions like floor, ceil, round, abs, min, max, rand for big numbers. Also wraps existing BCMath functions. (more http://php.net/manual/en/book.bc.php) Supports scientific notations

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Generate metrics with ease and precision.

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IDE and static analysis helper for the decimal extension

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Phactor is a high-performance PHP implementation of the elliptic curve math functions required to generate & verify private/public (asymmetric) EC keypairs and ECDSA signatures based on secp256k1 curve parameters. This library also includes a class to generate Service Identification Numbers (SINs) based on the published Identity Protocol v1 spec.

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An object oriented immutable arbitrary-precision arithmetic library for PHP

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Magento 2 Price Decimal Precision

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gmp-based arbitrary precision operations on currency amounts "XXX.YY"; because floats are BAD for representing money

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Slide into Precision – Customizable Control at Your Fingertips.

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Laravel Money is an open source package that provides you a convinient way to work with numbers from database with high precision and use them as monetary objects. With this package, you can easily operate, compare, format, and even convert monetary objects to other currencies using external API providers.

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Classes for manipulate dates and intervals with microseconds precision

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PHP library for arbitrary precision mathematics

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