OpalCalc 1.34 Ranking & Summary
OpalCalc 1.34 description
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.
- Lightweight footprint (only 600k)
- Multiline support (notepad style)
- Configurable GUI with colour schemes
- Built-in 'Quickstart' tutorial
- Full colour coding
- Multiple undo/redo, zoom in/out, etc.
- Numerous built-in variables and functions (create your own too!)
- Percentages & hundreds of measures (create your own too)
- Extensive date and time support
- Currency support with conversion (data courtesy of themoneyconverter.com)
- Portable (260k from a pen drive!)
- Load/save/print support
- Programmer syntax and functions
- Custom number base support
- Advanced notation support
- Comma decimal point support for Europe, Russia, and South America etc.
- Accuracy has been improved, a few bugs fixed and the trig section of OpalCalc has been rejigged and extended. Gradians have been added, and it's worth mentioning the existing 'turn' angle mode which is very rarely seen in other calculators (if ever), but is actually surprisingly useful. It's based around 1, instead of say, 360 for the 'degree' angle mode).
- Previously, if high precision mode wasn't enabled, sums could sometimes accumulate subtle errors (due to rounding) when reusing answers from existing sums. Now, high precision for numbers is maintained 'behind the scenes' even if a few decimal places are used for display purposes.
- Trigonometric functions have been overhauled with a new menu (found under "Symbols / syntax") to determine what angle mode 'sin', 'cos', and 'tan' should use. You can override the menu option by specifying a letter before the function name ('r'=radian, 't'=turn, 'g'=grad (new!), 'd'=degree. For example 'gcos' means use the cosine function with the 'gradian' angle mode). If you used the special rsin/rcos/rtan functions before, these have been changed to tsin/tcos/ttan ('t' meaning turn). rsin/rcos/rtan now use the 'radian' angle mode.
- Adjusted and fixed colours for user defined functions (and the variables/parameters in them).
- A star is displayed in the title bar to indicate an unsaved document. A warning will also be displayed when the user tries to close the program without saving first (doesn't apply to docs which have never been saved).
- Sufficiently specific fractions of a time such as "@10pm - 1.234day" now don't produce an error.
- Page setup margins are now saved as preferences for printing purposes
- Option added in Prefs menu to open up the prefs folder that OpalCalc saves to (for misc purposes).
- Thousands separator now correctly displays in "All Q+A" window (and print out).
- OpalCalc won't now allow you to create a variable from one of the existing function names
- .NET 3.5 or higher
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