How to use iSoroban

Let's see how to do "48÷3=16".

iSoroban Place the first group of number 48 on the right side of iSoroban.
iSoroban Then place the latter group of number 3
on the left side of iSoroban
iSoroban First, calculate 4÷3=1.3...
place 1 in the middle of iSoroban.
iSoroban 3x1=3. So subtract 3 from 4.
iSoroban Now calculate 18÷3=6.
Add the answer 6 next to 1.
iSoroban 3x6=18. So remove 18 from the right columns.
Now you have the answer 16 in the middle of iSoroban.

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