Abacus

Practice the ancient way of calculating. Styled after the classic abacus, slide the beads up and down using your mouse. As an added feature, enter a number and watch the beads move into place. Instructions are included.
Price USD 12
License Free to try
File Size 100.86 kB
Version 2
Operating System Windows 2000, Windows 98, Windows Me, Windows, Windows XP, Windows NT
System Requirements None