Calculators on the Internet
See Also: Graphing Calculators
The Abacus: The Art of Calculating with Beads
The abacus was an ancient calculator used the Chinese as early as 500 BC. By clicking on the colored beads, students are able to operate this Java abacus to perform addition, subtraction, division, and multiplication calculations. Unlike a real abacus, the numeric value for each column is shown and updated in the top frame with each bead movement.Calculators On-Line Center
Over 5000 different types of calculators are found here.The Currency Exchange Calculator.
This site lists over 200 countries and their currencies, and calculates exchanges according to current rates.The Inflation Calculator.
See how the value of money has changes between any tow years from 1800-1995.National Debt Clock.
Updates the national debt every five minutes.U.S. Census Bureau World POPClock.
Other
Gives the current population of the world, updated monthly.
Back to Math page | Back to Graphing Calculators | Last updated: July, 2002