A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:
OpalCalc Alternatives
OpalCalc is described as 'Brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly' and is a Calculator in the education & reference category. There are more than 50 alternatives to OpalCalc for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best OpalCalc alternative is SpeedCrunch, which is both free and Open Source. Other great apps like OpalCalc are Qalculate!, Numara Calculator, Numbat and Qaltex.
Alternatives list
Do you really need your calculator's on-screen number pad? (You know, the virtual keyboard?)
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Free scientific calculator which saves you time and frustration by providing unique easy to use tools.
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CrossCalc is day to day Scientific Calculator that can be used on all your devices. It respects your privacy and does not show any ads.
Cost / License
- Free
- Proprietary (Apache-2.0)
Application type
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
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Frink is a practical calculating tool and programming language designed to make physical calculations simple, to help ensure that answers come out right, and to make a tool that's really useful in the real world.
CalcNote is a notepad calculator designed for smartphones. You can immediately obtain calculation results as soon as you've added any calculations on a line.
Multi Sum Calculator is a portable tool that calculates the sum of multiple values!
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Simple yet very effective calculator with print capabilities and log registration.
Calculator Plus is a nice addition to hundreds of Calculator apps but with unique idea and innovative and user friendly designed buttons.
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A calculator written in C#.NET 3.5 that aims to be simple and usable. Future plans include functionality above and beyond that of the standard windows calculator. (Requires the .NET 3.5 framework)
Multi Share Calculator is a portable tool that allows anything to be shared proportionally!
For jotting down quick calculations. Mix free form text with calculations and see the results appear in the right hand margin as you type.
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