# Mental Calculation FLASH ANZAN

Android app · by ymkwt · Education

Mental Calculation FLASH ANZAN has 179,288 installs, rated 4.3 from 563 ratings, \#8,336 of 318,681 in Education.

## Figures

- Installs: 179,288
- Rating: 4.3 · 563 ratings
- Price: Free
- In-app purchases: no
- 30-day growth in installs: +47 (+0.0%) (+89 over 56.5 days)
- Rank: #144,911 of 2,927,691 Android listings with an install count (down 5,694 since 2026-11-01)
- Rank: #8,336 of 318,681 in Education

## Is Mental Calculation FLASH ANZAN safe?

StoreTally doesn't rate safety. Here's what the store and our tracking show:

- Listed on Google Play.
- Made by ymkwt; developer website listed: namaekukan.com.
- On Google Play since 2011-06-06. Last updated 2021-08-26 (over 2 years ago).
- Rated 4.3 from 563 ratings.

## Reviews

- Ratings by stars: 5★ 85% · 4★ 0% · 3★ 0% · 2★ 0% · 1★ 15% (542 ratings)

## Description

This is japanese right brain training called Flash Anzan.  
You add all numbers popping up one after another.  
  
This mental arithmetic application will make you able to perform hundreds calculations a minute.  
If you fall into a slump, you should remember following words.  
  
Don't think. FEEL!(Bruce Lee)  
  
Main function:  
  
Speed range (4.0sec - 0.15sec)  
Number of Digits (1 - 5)  
Number of calculation times (5 - 100)  
  
Including negative number or not  
Fix number of digits or not  
  
To save the percentage of questions answered correctly  
To retry the previous question  
To start again where you left off

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Source: https://storetally.com/android/com.ymkwt.android.mentalcalculation  
As of 2026-11-12, from the StoreTally census.