Excalibur is described as 'For Windows 32-bit version is a freeware full featured RPN-only calculator. This is a serious calculator for serious users. Excalibur takes up a small amount of resources for all it does so well' and is a Calculator in the education & reference category. There are more than 25 alternatives to Excalibur for a variety of platforms, including Windows, Android, Mac, Web-based and Linux apps. The best Excalibur alternative is Numi, which is free. Other great apps like Excalibur are GeoGebra Scientific Calculator, Windows Calculator, PCalc and Hissab - Calculator with Superpowers.
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...
Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!
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.
Excalibur is an RPN calculator, Windows Calculator is not.
PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a...
Includes conversions and many scientific functions.
Hissab is a simple and intuitive calculator, unit-convertor and productivity application.
The Unsure Calculator is an online tool that lets you calculate with numbers you’re not sure about.
A Simple but elegant Calculator app made with Flutter using Google's Material Design with Currency (Exchange Rate) and Unit Converter.
With MyScript Calculator, perform mathematical operations naturally using your handwriting.
handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use.
A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:
Do you really need your calculator's on-screen number pad? (You know, the virtual keyboard?)
Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical functions, remembers recent entries, supports creation of user defined variables and custom functions.
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It is not a RPN calculator. Does not run in Windows.