How to use this tool
Enter a whole number or move the beads for its decimal places.
An upper bead is worth five in its column; lower beads are worth one each. Read the number as columns from hundred-thousands to units.
Each column represents one decimal place; upper bead is worth five, lower beads one each
Worked example
123456 · represented value
Fixed example using the settings below. Monetary examples use USD; dates and times use their stated reference values. This example stays unchanged when you edit your calculation.
Example inputs
- Whole number (0–999,999): 123456
Method illustration: 123 has 1 hundred, 2 tens and 3 units.
Assumptions and limits
- This is a six-column decimal soroban-style learning model, not a simulation of historical variants. Change digits with the bead controls or the number input.
Check or report a result
Check the units, selected calculation and assumptions first. Compare the fixed example above with your inputs to identify what changed.
Report a calculation issue with the page address, hypothetical inputs, result displayed and result expected. Do not include passwords, bank details or other private information.