Looking for logging into the Soroban site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Soroban site. After that you can login as usual with your login credentials.
https://www.soroban-rechnen.de/
https://www.soroban-it.at/
https://www.zedat.fu-berlin.de/HPC/EN/Soroban
https://www.zedat.fu-berlin.de/HPC/Soroban
http://app.hikarisoroban.org/
http://www.soroban.com.sg/staff-login.html
https://www.amazon.de/Soroban-Rechnen-mit-japanischen-Abakus/dp/3000343377
https://www.rightlobemath.com/about/abacus
https://www.rightlobemath.com/component/j2store/products/starter-soroban
https://online-soroban.com/login.html
https://ippo-abacus.com/register-abacus-online/
https://www.maa.org/press/periodicals/convergence/elementary-soroban-arithmetic-techniques-in-edo-period-japan
https://www.dpfa.de/artikel/soroban-workshops-an-der-breslauer-universitaet-3894/