Demonstrator site for mental arithmetic, how to multiply 2 numbers with 2 digits each in your head. This was developed by Jakow Trachtenberg
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Updated
Oct 8, 2025 - PHP
Demonstrator site for mental arithmetic, how to multiply 2 numbers with 2 digits each in your head. This was developed by Jakow Trachtenberg
A Vagrant file and provisioning script to build a Docker Node
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