microsoft / microsoft/calculator
Incorrect Caclulation of Inverse Cosine
Open
Nobody has claimed this yet.
- Dominant language
- C#
- Stars
- 31.1k
- Forks
- 5.8k
- PR merge metrics
- No merged PRs in 30d
Description
Describe the bug
The calulator produces an incorrect result for the inverse cosine of -.28 in degrees
Steps To Reproduce
- -.28
- 2nd - Inverse Cosine
- Enter
Expected behavior
=106.2602047
Screenshots
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the problem in Windows Calculator using the reported input, inverse-cosine action, and degree mode. Trace the inverse-cosine degree-mode path and verify that entering -.28 produces 106.2602047; the issue provides no file or test name, so locating the relevant implementation is part of the work.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- desktop
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100