Calculators
About
Texas
Instruments Student Center
In addition to useful product information, you'll find tons of
cool stuff - games, homework help, and lots of freebies.
Webmath Instant Solutions
Solve problems from basic math, through algebra, trig, calculus
and data analysis and word problems.
Elementary
Abacus,
The
Teach yourself how to use this ancient Chinese calculating instrument.
It's handy when your calculator battery is dead.
Adding
Machine
You can really use this 1885 Felt &Tarrant "Comptometer"
adding machine. See if you can make it multiply.
Chisenbop
tutorial
Chisenbop is a method of doing basic arithmetic using your fingers.
It is attributed to the Korean tradition, but it is probably
extrememly old, as the soroban and abacus use very similar methods.
Probably these other devices were derived from finger counting.
Real Player movies show you how to use your fingers as a calculator.
Intermediate
Calculators
Online
A handy reference page for hundreds of links to calculators far
beyond basic math: historic, fractions, conversions, geometry,
physics. Also links for math dictionaries and symbol explanations.
Compvter
Romanvs
Caesar has proclaimed Compvter Romanvs to be the official calcvlator
of the Roman Empire. Yov now have at yovr disposal the latest
in high technology to assist in all manner of nvmerical problems.
Yes, whether yov're bvilding a road, designing an aqvadvct, or
covnting yovr gladiators, Compvter Romanvs will make the job
easier.
How
to use the Google calculator
Google's calculator tries to understand the problem you are attempting
to solve without requiring you to use special syntax. However,
it may be helpful to know the most direct way to pose a question
to get the best results.
Lego Bricks
and Calculating Machines
I love mechanical gadgets. In fact, most of my students love
mechanical gadgets! So it was a wonderful idea to incorporate
math and gadgetry. Can you build a LEGO® calculating machine?
Math
Cats Convert Numbers
Three handy conversion calculators: for length, weight and volume.
Converts between any metric or English measurement into the equivalent
for all the rest.
Online Conversion
Convert just about anything to anything else. Over 5,000 units,
and 50,000 conversions.
Advanced
The Calculator Home
Page
Calculator.org has a number of calculator related resources,
including an online scientific calculator for Windows, units
conversion and constants database, and other information.
Data Analysis
& Statistics
Just enter your data and find the average, the standard deviation,
and look at the histogram. From Webmath.
Educational
Math Converters and Calculators
Useful for students needing calculators for geometry, algebra,
trig and physics.
Poodwaddle
Calculator
It works an expression step by step so students can see the process,
find mistakes in their work, and learn good homework habits.
QuickMath
An automated service for answering common math problems over
the internet. Think of it as an online calculator that solves
equations and does all sorts of algebra and calculus problems
- instantly and automatically!
Solving
Quadratic Equations
This program solves Quadratic Equations. Enter the coefficients
in the appropriate boxes and then click Solve. The results
will appear in the boxes. Good way to check your work.
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