Bead calculation

The Abacus — Beads, rods and frames

Abak, abax, and all the rest The roots of the name Abacus are not clear. The word originated in ancient Europe. Since Abaci are used in many countries today, many names have evolved since then. Here are some of them:

  • China: Suan Pan
  • Japan: Soroban
  • Korea: Tschu Pan
  • Vietnam: Ban Tuan or Ban Tien
  • Taiwan: ???
  • Iran: Chortgeh
  • Armenia: Choreb
  • Russia: Stschoty
  • Estonia: ???
  • Lithuania: ???
  • Poland: Liczydlo
  • Turkey: Coulba

Software for learning, training, and fun

  • AbacusWorks — An abacus software
  • myAnzan — An anzan software (training mental calculation)
  • NumDict — a number and exercise dictation program

Some resources