There are a variety of frustrating elements Mental arithmetic games Swaying from side to side Occasional pop-ups The letters get smaller or bigger Selectable from 1 digit to 3 digits also train your Dynamic visual acuity(perhaps). Flash mental caluculation app "If you ask, let me calculate normally!“
Updated on
Jul 29, 2020
Strategy
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Web browsing, and Device or other IDs
No data collected
Learn more about how developers declare collection