How to use iSoroban

iSoroban On iSoroban, you can use the hundredth to the ten thousands.
  • The four lower beads all have a value of 1.
  • The upper bead has a value of 5.
  • The columns to the left is ten times bigger; e.g. 10, 100, 1000...
  • The colums to the right are divided by ten; e.g. 1000, 100, 10...
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iSoroban main | Overview | Addition | Subtraction | Multipliction | Division