About this app
Train addition, subtraction, and optional multiplication/division with flexible settings: max number, operand count, total questions, decimals, and negatives. Submit answers to see results instantly, track session time, browse history, and export printable PDFs. Built for daily practice—clear layout, focused exercises, and steady progress.
Latest release
What’s New
1.Optimized the position of the numeric keypad popup on wide-screen devices. 2.Added PDF document generation on iPad.
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 Oct 13, 2026 · 3:12 AM Free
Screenshots
