Traditional Abacus and Bead Arithmetic/Resources for contributors

Some simple tools
This book makes heavy use of abacus procedure tables like:

and could also be enhanced by using some abacus diagrams here and there like this one:

If you plan to contribute to this book, you may find some simple tools located at User:Jccsvq/Abacus diagrams and procedure tables that may make some of these tasks easier for you. (Jccsvq (discuss • contribs) 05:46, 22 August 2021 (UTC))