The abacus, or soroban 算盤. It is often said that mathematics is the only true universal language, and many different cultures have discovered many of mathematics theorems independently. Japan also has a rich history of developing its own mathematics. It was, as expected, developed from Chinese mathematics, but during the closed years of the Tokugawa period it developed more or less independently of external sources.

Jocuri manga de prin viata reala. Amintirile asezate ca rufele la uscat, atarnate la soare, sub un vant subtire si in aer proaspat. M-am gandit zilele astea sa astern momente si gesturi unice ca sa nu le uit in sacul anilor, sa nu mai repet aceleasi silly amintiri despre bunica, de exemplu, despre atunci cand eram copil si ma jucam un joc cu foc si apa. Chiar nu credeam ca exista pe internet jocuri asa vechi. Du-te la culcare! Amintiri dulci cand.