Xpresion: simple and flexible Expression Parser Engine with variables support for PHP, Python, JavaScript

python php browser flexible node-js extendable expression-parser expression-parser-engine configurable expression-evaluator

• Updated Jun 18, 2026
• PHP

🎧 Don't just plot math, hear it. Android graphing calculator that turns equations into sound. Kotlin, Compose, C++.

audio android kotlin education ndk math cpp kotlin-android student jni cpp17 maths expression-parser expression-parser-engine graphing-calculator sonification jni-android jetpack-compose material3 material3-android

• Updated Sep 19, 2026
• Kotlin

逻辑表达式处理 or and not ast

visitor-pattern expression-parser-engine expression-evaluator builder-pattern and-or-not

• Updated Feb 20, 2019
• Java

Any mathematical expression can be expressed in infix, post-fix and pre-fix formats. This C application is a universal expression convertor implemented using stack data structure. This structure will take input of input expression and conversion option from the user and provide the output in the desired format. The goal of this application is to…

postfix prefix expression-parser expression-parser-engine expression-evaluator infix

• Updated Feb 14, 2021
• C