Libraries tagged by calculus

Easily add longitude and latitude columns to your records and use inherited functionality for calculating distances

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PHP package that provides functions for calculating mathematical statistics of numeric data.

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DateTime calculations in business hours

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An italian tax code calculator and checker

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Magento module for Avalara's AvaTax suite of business tax calculation and processing services. Uses the AvaTax REST v2 API.

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A set of interfaces and methods to clean up your application's tax calculations

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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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Uma maneira fácil de interagir com as principais funcionalidades dos Correios.

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A distance (Lat/Long) calculation library for PHP

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A library to calculate and check the validity of the italian fiscal code (codice fiscale)

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Calculate the phases of the Moon in PHP.

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TokenizerX calculates required tokens for given prompt

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This PHP class can replace the Google Distance Matrix to calculate the distance between two points using latitude and longitude. It will prevent you to do massive requests to Google servers and enhance your service performance.

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SMS Length calculations, using GSM 03.38 and GSM 03.40

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Cyclic redundancy checker (crc) class to calculate crc8, crc16, crc24 and crc32 checksum values

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