microsoft/calculator

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Windows Calculator: A simple yet powerful calculator that ships with Windows

Stars: 31.1k
Forks: 5.8k
Open beginner issues: 0
Indexed issues: 424

Dominant language: C#
License: MIT
Last GitHub push: Aug 25, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

424 open issues indexed

Hanging calc for some trig function calls Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/calculator#2501 · 2 comments · Opened Sep 16, 2026
Integer overflow in negation in ratpowi32() Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

microsoft/calculator#2500 · 1 comment · Opened Sep 16, 2026
uint64 >= 9223372036854775808 (0x8000000000000000) results in "Invalid input" Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/calculator#2498 · 3 comments · Opened Sep 7, 2026
the caluclator alway starts in backround and not in front of all windows. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/calculator#2487 · 7 comments · Opened Jul 29, 2026
Migrate codebase to Electron Web interface Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/calculator#2485 · 31 reactions · Opened Jul 11, 2026
binary logarithm of a factorial larger than 30! outputs "0" or "Result is undefined" Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/calculator#2484 · 9 comments · Opened Jul 2, 2026
Add two small features to the Graphing calculator. Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 32/100

microsoft/calculator#2479 · Opened Jun 27, 2026
Feature Request: Add Fraction Display Mode to Windows Calculator Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/calculator#2471 · 2 comments · Opened Jun 1, 2026
Currency Tab Ignores System Regional Format Settings Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/calculator#2464 · Opened May 13, 2026
[Bug]: App crash (Access Violation/FastFail) via malformed ms-calculator:snapshot/ URI protocol Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

microsoft/calculator#2458 · 14 comments · Opened Apr 20, 2026
[Bug] Implicit multiplication after closing parenthesis causes preceding operand to be dropped from computation Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

microsoft/calculator#2451 · 1 comment · Opened Mar 30, 2026
Keyboard stops working for a moment after switching calculator modes Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/calculator#2448 · Opened Mar 20, 2026
Graphing mode breaks keyboard input Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/calculator#2447 · 2 comments · Opened Mar 4, 2026
Question with Microsoft Windows Graphing Calculator Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

microsoft/calculator#2446 · 1 comment · Opened Feb 20, 2026
Add "keep on top" button everywhere, not just the Standard mode. Open

Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/calculator#2445 · 1 reaction · Opened Feb 16, 2026
Add Multi-Currency Output (Convert to 2–3 Currencies at Once) Open

Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/calculator#2444 · 3 comments · Opened Feb 12, 2026
Add Favorite Currencies (Pin to Top) Open

Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/calculator#2443 · 2 comments · Opened Feb 12, 2026
Incorrect monotonicity analysis Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/calculator#2442 · 1 comment · Opened Feb 9, 2026
Incorrect Caclulation of Inverse Cosine Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/calculator#2437 · 2 comments · Opened Jan 28, 2026
Top placement function Open

Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/calculator#2435 · 1 comment · Opened Jan 26, 2026
Switching modes clears the displayed value Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

microsoft/calculator#2433 · Opened Jan 20, 2026
我只想要 2 个功能极其极其简单的功能 Open

Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/calculator#2429 · 3 comments · Opened Jan 10, 2026
I am wondering if this is on purpose or is something that can be fixed? Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

microsoft/calculator#2426 · 7 reactions · Opened Dec 13, 2025
Microsoft Windows Graphing Calculator "The equation is empty" error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/calculator#2415 · 1 comment · Opened Dec 1, 2025
Wrong result Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/calculator#2411 · 5 comments · 1 reaction · Opened Nov 23, 2025
Compilation of CalcManager fails on Linux Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

microsoft/calculator#2405 · 2 comments · Opened Nov 9, 2025
Deprecation of `/await` and the experimental coroutine headers Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/calculator#2404 · Opened Nov 3, 2025
Accept Fortran exponential notation as input Open

Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/calculator#2403 · 1 comment · Opened Oct 30, 2025
I want the old interface. Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/calculator#2401 · Opened Oct 24, 2025
Feature Request: Integrate Major Cryptocurrency Conversion into Unit Converter Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 28/100

microsoft/calculator#2400 · 1 comment · 1 reaction · Opened Oct 23, 2025
ND 2b group calculator Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

microsoft/calculator#2399 · 1 reaction · Opened Oct 22, 2025
Proposal for CBR++: Sequential Transformation Function for Windows Calculator Open

Enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/calculator#2398 · Opened Oct 21, 2025
Issues with different decimal ("." instead of ",") because of language other than English Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/calculator#2396 · Opened Oct 17, 2025
The calculator resets the calculation history after closing Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

microsoft/calculator#2392 · 4 comments · 8 reactions · Opened Oct 14, 2025
It opens another window after maximizing it Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/calculator#2386 · 4 comments · Opened Sep 30, 2025
Microsoft Windows Graphing Calculator does not graph Content MathML Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/calculator#2382 · Opened Sep 7, 2025
More open-sourced apps Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

microsoft/calculator#2381 · 1 comment · 3 reactions · Opened Sep 6, 2025
Time calculator Open

Difficulty 5/5 Over a week Newbie friendliness 5/100

microsoft/calculator#2375 · 1 comment · 2 reactions · Opened Aug 24, 2025
Create troubleshooting guide Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/calculator#2374 · Opened Aug 20, 2025
enabling of editing of expression Open

Enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/calculator#2371 · Opened Aug 19, 2025
Pasting equations from Microsoft OneNote to Windows Graphing Calculator gives an image Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/calculator#2368 · Opened Aug 9, 2025
Calculator Open

Difficulty 5/5 Over a week Newbie friendliness 1/100

microsoft/calculator#2365 · 4 comments · 4 reactions · Opened Aug 3, 2025
App icon in titlebar mouse behavior incorrect Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/calculator#2364 · 3 comments · Opened Aug 1, 2025
Inverse hyperbolic sine and cosine for values larger than 1e100 gives error Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/calculator#2363 · 1 comment · Opened Aug 1, 2025
Wie kann ich eine längere Calculation speichern Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

microsoft/calculator#2362 · 2 reactions · Opened Jul 30, 2025
[English version] Backspace key does not delete mistyped operator(s) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/calculator#2361 · 1 comment · Opened Jul 26, 2025
Warning C4706 triggered in Grapher.cpp Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

microsoft/calculator#2360 · Opened Jul 25, 2025
Add astronomical units to length unit convert Open

Enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

microsoft/calculator#2359 · 1 comment · Opened Jul 23, 2025
When restoring from the taskbar, it crashes and opens a second instance Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

microsoft/calculator#2358 · 1 comment · Opened Jul 22, 2025
Simple Calculator Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

microsoft/calculator#2357 · 2 reactions · Opened Jul 19, 2025

microsoft/calculator

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