OpenCalc is a text-based calculator which unlike spreadsheet programs, uses formulas based on a text write-up which are completely human readable.
Unlike other programs in the calculators category, OpenCalc is more intuitive than other programs. It includes a long list of built-in functions .
The interface of this calculator includes two panes. The left-hand side allows for user input while the right-hand side displays the calculations in real time.
While a simple calculation like "10-5" will result in "5", OpenCalc can also deal with extremely complex formulae.
The program is restricted freeware, but a donation to the coder removes the 5 line limit.
OpalCalc is licensed as Freeware for Windows (32-bit and 64-bit) operating system / platform from calculators without restrictions. OpalCalc 1.89 is available to all software users as a free download (Freeware).
Compatibility with this scientific calculator software may vary, but will generally run fine under Microsoft Windows 10, 8, 8.1, 7, Vista and XP on either a 32-bit or 64-bit setup. A separate x64 version may be available from Skytopia.
We have tested OpalCalc 1.89 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans. [Read more]