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Learn & Exercise How to multiply double digit numbers quickly.

(19+7)x10 + 9x7 = 323 (Method-A1)

((5x5)+8)x100 + 8x8 = 3364 (Method-A6)

What’s New

Version 2.1

Performance improvements.

App Privacy

The developer, Yasuyoshi Ota, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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