561 Open source projects that are alternatives of or similar to kalker

Do maths like a normal person

A small .NET math library.

PHP calculator library for mathematical terms (expressions) passed as strings

algebraic expressions parsing and evaluation through a property system based algorithm

Simple mathematical expression parser and calculator.

Just an advanced terminal calculator.

Computator.NET is a special kind of numerical software that is fast and easy to use but not worse than others feature-wise. It's features include: - Real and complex functions charts - Real and complex calculator - Real functions numerical calculations including different methods - Over 107 Elementary functions - Over 141 Special functions - Over 21 Matrix functions and operations - Scripting language with power to easy computations including matrices - You can declare your own custom functions with scripting language

Evaluates a math expression from a string. Supports variables and custom operators.

Mathematical expression calculator with big integers, floats, common fractions, and complex numbers support

A powerful expression-based calculator, unit converter, and general computation engine for Android

NoteCalc is a handy calculator trying to bring the advantages of Soulver to the web.

in progress pretty printing calculator language

A Ruby-based expression parser, evaluator, and programming language

Extendable calculator for the 21st Century ⚡

A calculator/expression evaluator written in rust that supports variables and functions.

Text calculator with support for units and conversion

A non date-based time calculator

Create Maya node-network by entering a math-formula.

Extensive math expression evaluator library for JavaScript and Node.js

a calculating engine~

C-style arbitrary precision calculator

Calculator app created with Java Swing, It is simple with an easy code to help novices learn how to operate a calculator.

🧮 Literate programming for M-x calc

zsh calculator - with support for basic math

Alfred Workflow to calculate anything with natural language

Simple Calculator app created with React.js

A C++ configurable Expression Parser. Useful as a Calculator or for helping you write your own Programming Language

Price calculator/predictor for Turnip prices

kalk is a powerful command line calculator app for developers.

Beautiful calculator app for macOS

A calculator on macOS.

Rust Firebird Client

High precision scientific calculator with support for physical units

A loan and interest calculation plugin for jQuery. Create calculators that allow you to calculate interest on loans, compare multiple loans (with different interest rates), and create amortization charts.

A simple calculator made by vuejs 用vue.js实现简易计算器

Sexy Calculator made using React Native & Redux 😍

Monster Hunter World: Iceborne - Calculator

OS for z80 calculators

Astus' Mathematical Display Application : A GUI for Mathematics (Calculator, LaTeX Converter, Plotter, ... )

📱 Llumino, a luminous calculator, re-built with the latest web technology (PWA)

💡 Build your own programming language! A C++17 PEG parser generator supporting parser combination, memoization, left-recursion and context-dependent grammars.

Common libraries for use on the TI84+CE/TI83PCE calculators

PHP Mathematical expression parser and evaluator

Multilingual implementation of RAKE algorithm for Rust

🌵 Cycle-Aware Reference Counting in Rust

extract internal monitoring data from application logs for collection in a timeseries database

xk-time 是时间转换，时间计算，时间格式化，时间解析，日历，时间cron表达式和时间NLP等的工具，使用Java8，线程安全，简单易用，多达70几种常用日期格式化模板，支持Java8时间类和Date，轻量级，无第三方依赖。

Example project - how to build a simple calculator in Flutter

Opcode calculator

JavaScript模仿Windows10计算器

Launchbar action for Numi calculator app

Kernel for z80 calculators

Cross-platform, customizable ML solutions for live and streaming media.

SDL for TI-Nspire calculators

Terminal calculator made for programmers working with multiple number representations, sizes, and overall close to the bits

calculates the derivative of the given function

A C++ library implementing linear algebra, text and file IO, UTF-N conversions, containers, image loading/saving, image quantization/filtering, command-line parsing, etc.

Unit conversion tool and library written in rust

Tweaks clock frequency of HP 39gs to play retro System RPL games

Scientific calculator in which you can define new constants and functions