Anzan19x19
iOS app by Hajime Hotaka. Education · Hajime Hotaka
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.4.1
- Listing last refreshed
- 2026-09-13
View the original store listing
Store description excerpt
Method of mental calculation of 19x19 Provides a completely new mental method of multiplication from 11 to 19 This method can be understood in a few minutes and can be calculated on the fly.Provides a new mental calculation method of multiplication from 11 to 19.
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