Lamina ✦ is a WinUI 3 calculator that is not only includes a Regular Calculator but also something called "Scripties". She supports Mensuration, Finance, Currency Conversion, Unit Conversions And More!, making her a Very Extendable Option.
Publisher’s description
What is Lamina?
Lamina by Chill-Astro Software is open-source Windows software in the science & maths category. It is written in C#.
Installation and requirements
The publisher provides EXE (Inno Setup) installers for 64-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 11.28000.19.0, released on October 3, 2026. The version history goes back to April 7, 2026: 6 releases, all linked to the official files. The last update is less than a month old.
Popularity and file types
The source code on GitHub (Chill-Astro/Lamina-Calculator) has 21 stars. Similar programs include Stellarium, KiCad and Quarto.
Project description on GitHub: “Math on a Sheet of Glass, Extended with User-Made Scripties. A WinUI 3 Calculator for Windows 11 & 10!”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Updated in the last two months
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: Lamina is an open-source science & math tool for 64-bit PCs. Administrators can deploy it unattended.
Is Lamina safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
D44B4BF5D9EED17B8A56998C2D72580318958239600D08D147B8EA515727ED85· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 6 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 11.28000.19.0Latest | October 3, 2026 | — | 64-bit EXE (Inno Setup) |
| 11.28000.18.0 | August 29, 2026 | — | 64-bit EXE (Inno Setup) |
| 11.28000.17.0 | August 23, 2026 | — | 64-bit EXE (Inno Setup) |
| 11.28000.16.0 | June 3, 2026 | — | 64-bit EXE (Inno Setup) |
| 11.26100.15.0 | April 18, 2026 | — | ARM64 MSIX64-bit MSIX64-bit EXE (Inno Setup) |
| 11.26100.14.0 | April 7, 2026 | — | 64-bit EXE (Inno Setup)64-bit MSIXARM64 MSIX |
Install from the command line
Silent install ›winget install --id Chill-Astro.Lamina -eSetup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- Chill-Astro Software
- Category
- Science & maths
- Licence
- MIT
- Price
- Free
- Source code
- github.com/Chill-Astro/Lamina-Calculator
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 11.28000.19.0
- Released
- October 3, 2026
- Added to the catalogue
- April 9, 2026
- Versions listed
- 6
- GitHub stars
- 21
- GitHub forks
- 1
- Website
- github.com
- winget ID
- Chill-Astro.Lamina
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Lamina free?
Yes. Lamina is open-source software under the MIT licence.
Is Lamina safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Lamina with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Lamina be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Lamina run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of Lamina?
The versions page lists all 6 versions with links to their official installer files, back to April 7, 2026.
What are alternatives to Lamina?
Stellarium, KiCad, Quarto, Qalculate! and JASP. The alternatives page compares them.
