Libraries tagged by mathematical expression

A lexer and parser for mathematical expressions.

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PHP parser for mathematical expressions, including elementary functions, variables and implicit multiplication. Also supports symbolic differentiation.

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PHP parser and evaluator library for mathematical expressions

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Mathematical expression evaluator.

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Mathpa is a library to evaluate PHP math expressions

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Safely evaluate mathematical expressions

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Use the EvalMath when you want to evaluate mathematical expressions from untrusted sources.

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Multiple(7) types of CAPTCHA in one package. Supports Gif captcha( Animated Gif captcha), Image Captcha( User has to type SOME OR ALL part of code displayed in the image), HoneyPot captcha(It simply adds an empty field asking users to leave it blank. Bots fill it up.), ASCII captcha(It displays the CAPTCHA text as ASCII Art. User has to type SOME OR ALL part of the code.), Math captcha( It asks user to solve simple mathematical expressions.), Recaptcha(Google Recaptcha) and NoCaptcha(Google ReCaptcha v2.0). This package also has captcha refresh feature.

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PHP Mathematical expression parser and evaluator

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StringCalc is a PHP calculator library for mathematical terms (expressions) passed as strings.forked from jayprakashji/string-calc and chriskonnertz/string-calc

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Parsing and evaluating mathematical formula entered as a string

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Parsing and evaluating mathematical formulas given as strings.

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Parsing and evaluating mathematical equations given as strings.

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Generate mathematical expression, which can be used as anti-spam solution.

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Simple mathematical expression/equation parser and calculator.

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