companydirectorylist.com  Global Business Directories and Company Directories
Search Business,Company,Industry :


Country Lists
USA Company Directories
Canada Business Lists
Australia Business Directories
France Company Lists
Italy Company Lists
Spain Company Directories
Switzerland Business Lists
Austria Company Directories
Belgium Business Directories
Hong Kong Company Lists
China Business Lists
Taiwan Company Lists
United Arab Emirates Company Directories


Industry Catalogs
USA Industry Directories














  • Abacus - Wikipedia
    Abacus-based mental calculation (AMC), which was derived from the abacus, is the act of performing calculations, including addition, subtraction, multiplication, and division, in the mind by manipulating an imagined abacus
  • How to Use an Abacus (with Pictures) - wikiHow
    The abacus (the suanpan is the most useful variety) is a deceptively simple calculating tool still used all over the world It's a useful learning device for the visually impaired, as well as for anyone who wants to learn the roots of the modern calculator
  • Plumber Houston 713-766-3605 Abacus Plumbing, Air Conditioning Electrical
    Many plumbing problems are not DIY types of jobs, call Abacus so one of our licensed plumbers can fix your problem Our plumbers are not only knowledgeable but their customer service skills will meet or exceed your expectations
  • Abacus - New World Encyclopedia
    An abacus (plurals abacuses or abaci), also called a counting frame, is a calculating tool for performing arithmetical processes, often constructed as a wooden frame with beads sliding on wires
  • Abacus | Definition, History, Origin, Facts | Britannica
    Abacus, calculating device, probably of Babylonian origin, that was long important in commerce It is the ancestor of the modern calculating machine and computer The abacus was in universal use in Europe in the Middle Ages, as well as in the Arab world and in Asia
  • Abacus - Simple English Wikipedia, the free encyclopedia
    The Latin word came from ancient Greek ἄβαξ (abax) which means something without base, or (improperly) any piece of rectangular board or plank Both abacuses' and abaci are used as plurals The user of an abacus is called an abacist (soft or hard 'c')
  • Abacus Explained — Everything You Need To Know - History Tools
    This comprehensive guide will explain what an abacus is, how it works, its fascinating history, why it remains popular today, and how learning abacus calculation can improve your math skills!
  • What is Abacus and How Does It Work? A Complete Guide
    An abacus is a manual calculating device made of a wooden or plastic frame with rods and beads Each bead represents a number, and moving them helps perform addition, subtraction, multiplication, and division quickly




Business Directories,Company Directories
Business Directories,Company Directories copyright ©2005-2012 
disclaimer