SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.
- - SpeedCrunch is the most popular Windows, Mac & Linux alternative to Qaltex.
- - SpeedCrunch is the most popular Open Source & free alternative to Qaltex.
Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).
High precision scientific calculator with full support for physical units (web and terminal versions).
- - Insect is the most popular Web-based & Self-Hosted alternative to Qaltex.
Numi is a handy calculator app for macOS. It allows to describe tasks the natural way and instantly get an accurate answer. For example, $20 in euro - 5% discount or today + 2 weeks. Numi is not limited to simple calculations, it can solve expressions of any complexity, with...
Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.
Calculator provides simple and advanced mathematical functions in a beautifully designed app.
- - Google Calculator is the most popular Android & Android Tablet alternative to Qaltex.
Google Calculator Features
Soulver is a smart notepad with a built-in calculator. It gives instant answers to any calculations it finds in your text. It's a better way to work stuff out than with a traditional calculator, and a more lightweight tool for quick calculations than a spreadsheet.
- - Soulver is the most popular commercial alternative to Qaltex.
A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.
Parsify Desktop is a notepad-based / text calculator, built with extendibility and privacy in mind. The app has been constantly updated since the initial launch in June 2020. Its most notable features include:
Calca is a powerful symbolic calculator that updates as you type giving you instant answers. It solves equations and simplifies complex expressions. It's also a rich Markdown text editor so that you can explain your ideas alongside your calculations.
- - Calca is the most popular iPhone & iPad alternative to Qaltex.
Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop.
Kalk Calculator Features
CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate intermediate results and subsequently correct or change all numbers and operations.