Libraries tagged by calculation

TimePeriodHelper library provides functions such as sorting, union, difference, intersection, and calculation time.

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Calculation and data extraction on italian fiscal code (codice fiscale), with "omocodie" and diacritical character esapnsion (caratteri diacritici)

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A library based on rlanvin/php-ip for IP addresses calculations

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PHP library / extension that resolves the current season from an ISO 3166-1 alpha-2 country code. Use it as a plain Composer package, or integrate with Laravel 7–11, ThinkPHP 6 / 8, Hyperf 2 / 3, webman, Yii 2, and Yii 3. Besides English season keys (spring, etc.) and Chinese names, it provides flag emoji, localized season names by BCP 47 locale, hemisphere detection, and optional date-based calculation.

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Largest Remainder Method calculation

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Extension with discount calculation logic

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Cbox Tax — a self-hostable consumption-tax engine for Laravel: it owns the calculation logic (place-of-supply, reverse-charge, rate application, inclusive/exclusive) per jurisdiction and sources rate and rule data through pluggable contracts.

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Better delivery time calculation

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Allows for calculation of many types of distance between points

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Calculate sun position, sunlight phases, moon position and lunar phase.

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billing calculations

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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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Simple Yet Powerful Geo Library

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