Hi,
I love using this site! I'm not the best at the soroban, but I love that I can go to a website to get practice sheets. Thank you!
I do have a suggestion: I think it would be awesome if there was an option to generate a practice sheet that includes negative number answers in the addition/subtraction section. What do you think? Maybe you can also make it an option for the anzan software.
Thanks!
Mark
