If you're looking to Download Abacus on your Chromebook laptop Then read the following guideline.

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