| 1 | """Soroban Japanese Abacus, by Al Sweigart al@inventwithpython.com |
| 2 | A simulation of a Japanese abacus calculator tool. |
| 3 | More info at: https://en.wikipedia.org/wiki/Soroban |
| 4 | This code is available at https://nostarch.com/big-book-small-python-programming |