About this app

This app gives an opportunity to practice arithmetic operations such as addition, subtraction, division and multiplication. It is possible to take a quiz on each of those operations. The app offers as many examples to solve as you wish. The level of difficulty can be adjusted by choosing the range of numbers being used. There is a nice reference wheel for those who want to refresh math knowledge. Attractive reference tables summarize results of the arithmetic operations for the first simple cases. Please enjoy the app and learn the math!

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

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