• ★ Numbio: Mental arithmetic
• ★ 2025-03-30
• ★ Questions & Answers

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About Numbio: Mental arithmetic

Simply practise mental arithmetic - without advertising and in-app purchases - for less than the price of a cup of coffee. The application is suitable for children, teenagers and adults who wish to obtain faster at mental arithmetic.

We have taken care to create it as simple to use as possible. This means that the application can also be installed on a children's smartphone without hesitation.

Setting options:
- Mathematical operators in easy language (plus, minus, times, divided)
- Negative results allowed yes/no
- Number range (1-50)
- Time limit, for example to practise for Five minutes
- Number of tasks limit, for example to practise exactly 50 tasks

After the training session, the system displays how a lot of tasks were completed, how long it took and the average time per task. It also shows how a lot of tasks were completed in under Three seconds, between Three and Six seconds, between Six and Nine seconds and over Nine seconds.

The application has been optimized for smartphones and tablets

Numbio supports the system dark mode and several languages

- German,
- English,
- French,
- Dutch
- Spanish and
- Portuguese
- Chinese
- Russian
- Armenian

New Features: Values from the settings are applied correctly after clicking on the Back button after a session

Numbio: Mental arithmetic Cheats, Hints, Way to Modify, How to Use & How to Win.