Libraries tagged by calculation

Extension with discount calculation logic

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Better delivery time calculation

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A library that implements the php-vote-interface package

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A library to specify objects and interactions for voting systems

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A library to specify calculation-based scores and scoring systems

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Laravel package for Indonesian financial calculations including PPN tax (11%) and Rupiah currency formatting

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Arbitrary precision currency maths with locale-aware formatting - integrated with Laravel or stand-alone

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Calculation of the nearest distance to the seas: Azov, Baltic, Caspian and Black

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PHP wrapper for the Quaderno REST API

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Client library for Avalara's AvaTax suite of business tax calculation and processing services. Uses the REST v2 API. Updated to use Guzzle 7 for Laravel compatibility.

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EU VAT calculation, the way it should be. Revived fork of spaze/vat-calculator which was a standalone & modernized fork of mpociot/vat-calculator, with some new features.

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Sun and moon calculations for PHP

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PHP library for timezone calculation from a particular location.

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Holiday calculation library

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TaxJar Sales Tax Module for Shopware 6 that automates tax calculations, supports nexus regions, logs transactions, and ensures compliance across different states and countries.

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