About this app
Practice multiplying matrices, the most important of all linear algebra operations, in this fun-filled conquest of mental arithmetic! Features: • Lots of practice with a not-too-bad UI • Hours of fun training your brain (or not) • Lots of parameters to tune
Latest release
What’s New
This update from Apple will improve the functionality of this app. No new features are included.
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 Aug 15, 2026 · 4:08 PM Free
Screenshots
