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OpalCalc 1.41


OpalCalc 1.41

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OpalCalc 1.41 Ranking & Summary

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User Review: 0 (0 times)
File size: 613 KB
Platform: Windows XP / 2003 / Vista / XP X64 / 2008 / V
License: Donationware
Price: $0
Downloads: 10
Date added: 2012-04-11

OpalCalc 1.41 description

OpalCalc 1.41 brings you the opportunity of using an effective and smart type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows you to insert natural language as part of the sum, along with multi-line support so you can go back and adjust your previous calculations. Want a tiny footprint on the screen for a single sum? Resize accordingly. Want it to fill the screen for heavy-duty work? OpalCalc can adapt.

Featuring a lightweight footprint, on-the-fly calculation as you type, percentages, variable support, hundreds of units and functions, extensive notation support, intuitive design/documentation and much more. Once you've tried it, you'll never want to go back to your ordinary desktop (or PC) calculator again!

For years, PC calculators have been trying to copy handheld calculators in both functionality and appearance. OpalCalc sets out to disregard previous conceptions about how a calculator should look and act, and instead developers considered how a calculator should behave with a full keyboard in mind. The result is simplicity itself, but with many of the advanced features you'd expect from say, a spreadsheet.

Major Features:

  1. Lightweight footprint (only 600k)
  2. Multiline support (notepad style)
  3. Configurable GUI with colour schemes
  4. Built-in 'Quickstart' tutorial
  5. Full colour coding
  6. Multiple undo/redo, zoom in/out, etc.
  7. Numerous built-in variables and functions (create your own too!)
  8. Percentages & hundreds of measures (create your own too)
  9. Extensive date and time support
  10. Currency support with conversion (data courtesy of
  11. Portable (260k from a pen drive!)
  12. Load/save/print support
  13. Programmer syntax and functions
  14. Custom number base support
  15. Advanced notation support
  16. Comma decimal point support for Europe, Russia, and South America etc.


  • Often, a normal pocket calculator will allow calculations like "cos x" or "sqrt 16". Previously, OpalCalc needed brackets, but now you can write sums without them if you prefer. This is just one of the ways we're trying to simplify writing expressions in OpalCalc. Likewise, something like "average 10,20,30,40" will also work. If you need operators to act on any of those numbers, you will to use brackets in that case however - e.g. "average(10, 20+1, 30, 40)".
  • Fixed financial formatting of numbers which initially contained currency, but the answer doesn't  
  • More intelligent handling of operator words like "of", "per" and "plus" 
  • .NET 3.5 or higher

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