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