About this app
App for matrix calculations such as finding eigenvalues, eigenvectors, determinants, and inverses of matrices and solving systems of linear equations. You can save select calculations, copy them to reuse, and take notes on them.
Latest release
What’s New
Bug fixes.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 4, 2026 · 5:40 AM Free
Screenshots
