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anxntbhardwaj / repository
A pure-Python, single-file, desktop calculator built with Tkinter (GUI) and SQLite (history storage) from the standard library. No external services, fully offline.
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Developed by @anxntbhardwaj
A pure-Python, single-file, desktop calculator built with Tkinter (GUI) and SQLite (history storage) from the standard library. No external services, fully offline.
+ − × ÷ % with a live, editable expression linesin cos tan asin acos atan log ln sqrt x² x³ x^y 1/x n! π e, parenthesesMC MR M+ M- MSEnter = =,
Backspace, Esc to clear, Ctrl+C to copy the resultast module and
checked against a strict whitelist — never a raw eval() of your inputRequires Python 3.8+ with Tkinter (bundled with most Python installs; on
Debian/Ubuntu: sudo apt install python3-tk). No extra packages needed.
python main.py
Your calculation history is stored locally in calc_history.db, created
automatically next to the script the first time you run it.
| Shortcut | Action |
|---|---|
0-9 . + - * / ( ) % | Type directly into the expression |
^ | Power (x^y) |
Enter | Evaluate (=) |
Backspace | Delete last character |
Esc | Clear everything |
Ctrl+C | Copy result to clipboard |
Ctrl+H | Jump to Unit Converter tab |
| Double-click a history row | Reuse that expression |
Released under the MIT License — see LICENSE. Free to use,
modify, and distribute; just keep the copyright notice and credit
@anxntbhardwaj.
Made with ☕ and Tkinter by @anxntbhardwaj
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