Abacus - Dancing Fingers !

WHEN ANCIENT WISDOM MEETS MODERN TECHNOLOGY !
BEAUTIFUL INTERFACE with COMFORT & BIG BEADS !
SUPPORT DECIMAL POINT & NEGATIVE NUMBERS !
21-COLUMN ABACUS CAN SPEAK !

• LANGUAGES:

ENGLISH
JAPANESE
RUSSIAN
CHINESE
ARABIC
GERMAN
FRENCH
SPANISH
KOREAN
NORWEGIAN
FINNISH
CANTONESE
DANISH
PORTUGUESE
SWEDISH
INDONESIAN
TURKISH
DUTCH
VIETNAMESE

• LET'S USE ABACUS TO CALCULATE AND HAVE FUN !

2+2+2+2+2+2+2+2+2+2 = 20
30-3-3-3-3-3-3-3-3-3-3 = 0
1+2+3+4+5+6+7+...+98+99+100 = 5050