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Soroban

Tool to calculate automatically with the abacus. Soroban is an evolution of Chinese abacus developed in Japan. It contains 1 quinary and 4 unary to count between 0 and 9.

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Soroban -

Tag(s) : Mathematics, Fun

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Soroban

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Soroban Converter

From an abacus


















From a decimal number



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Tool to calculate automatically with the abacus. Soroban is an evolution of Chinese abacus developed in Japan. It contains 1 quinary and 4 unary to count between 0 and 9.

Answers to Questions

What is a Soroban? (Definition)

A soroban is a Japanese abacus that has a quinary (for the value 5) and 4 unaries (for the value 1). It behaves like a classic abacus and allows you to add, subtract, multiply or divide.

How to use a Soroban?

The soroban stands horizontally, so that the quinary is at the top and the unaries at the bottom.

In its initial position, the balls are pushed outwards and all the columns show O-|-OOOO.

The count in base 10 is done as an addition: the 1 and the 5 are added for each column representing the units, then the tens, then the hundreds, etc. (from left to right)

0O-|-OOOO
1O-|O-OOO
2O-|OO-OO
3O-|OOO-O
4O-|OOOO-
5-O|-OOOO
6-O|O-OOO
7-O|OO-OO
8-O|OOO-O
9-O|OOOO-

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Source code

dCode retains ownership of the source code of the script Soroban online. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, etc.) which dCode owns rights can be transferred after sales quote. So if you need to download the online Soroban script for offline use, for you, your company or association, see you on contact page !

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