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| File - Download OpenCalc v1.1.10 | ||||||||
| Description | ||||||||
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A plea... Deanna and I have been running this site since 2008 and lately we're seeing a big increase in users (and cost) but a decline in percentage of users who donate. Our ad-free and junkware-free download site only works if everyone chips in to offset the revenue that ads on other sites bring in. Please donate at the bottom of the page. Every little bit helps. Thank you so much. Sincerely, your Older Geeks: Randy and Deanna Always scroll to the bottom of the page for the main download link. We don't believe in fake/misleading download buttons and tricks. The link is always in the same place. OpenCalc v1.1.10 👉 A modern, open source recreation of the classic Windows 95 Calculator with plenty of useful improvements. OpenCalc is a from-scratch reimplementation of the classic Windows 95 Calculator, preserving its familiar look and interaction while adding modern capabilities. Written in Rust, it provides Standard and Scientific calculator modes along with improved expression parsing, calculation history, graph plotting, localization, modern keyboard support and high-DPI rendering. OpenCalc goes beyond simple button-by-button calculations with a full expression parser. Expressions can contain nested parentheses, positive and negative signs, exponentiation, square roots, mathematical functions, trigonometric and logarithmic functions, constants such as pi, factorials, percentages, scientific notation, multiple number bases and bitwise operations.  Features: Faithful recreation of the classic Windows 95 Calculator interface Standard and Scientific calculator modes Financial calculation mode Complete mathematical expression parsing Nested parentheses and unary positive and negative signs Exponentiation using ^ or ** Square roots and mathematical functions Trigonometric and logarithmic functions Mathematical constants such as pi Factorial and percentage operators Scientific notation Binary, octal, decimal and hexadecimal numbers Bitwise operations Calculation history Undo and redo support Graph manager and graph plotting Memory operations and statistics window Configurable decimal separator Extensive keyboard controls Improved font rendering and DPI-aware classic controls Supported operating systems: Windows 10, Windows 11 Linux distributions with GTK 4 support Supported languages: English, German, French, Italian, Spanish, Russian, Japanese, Chinese (Simplified), Chinese (Traditional) Changes: v1.1.10 09-13-26 Bug fixes. Financial Mode added.    This download is for the Windows version (very bottom of page). All other download assets are below: Linux: OpenCalc-v1.1.10-buildfix171-Linux.tar.gz Click here to visit the author's website. Continue below for the main download link. |
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| Downloads | Views | Developer | Last Update | Version | Size | Type | Rank | |
| 266 | 977 | NMagic | Sep 14, 2026 - 10:58 | 1.1.10 | 7.6MB | ZIP |  , out of 2 Votes. |
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| File Tags | ||||||||
| OpenCalc calculator Windows95 classic retro math expressions history undo redo Rust Linux Windows portable HLP open-source | ||||||||
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