Libraries tagged by calculo

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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A distance (Lat/Long) calculation library for PHP

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Calculate the phases of the Moon in PHP.

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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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A library to calculate effective interest rate. Also know as XIRR or effective APR.

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A library that calculates the time difference between two dates and returns the result in words (Example: 5 minutes ago or 5 Minutes left). The library supports other languages aswell like Spanish and German.

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Zodiac sign calculator

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Calculates and returns coefficients for polynomial regression.

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Google Maps Extension. Simply insert a google map Version 3 without jQuery, calculate a route, images for markers, style maps, KML, categories, responsive and many more.

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This is a wrapper for nesbot/carbon which also calculates which days are British bank holidays (England & Wales only).

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A Bayesian average is a method of estimating the mean of a population using outside information, especially a pre-existing belief, which is factored into the calculation.

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Geographic calculations for PHP

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A library to calculate holidays

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