Based on the Ultimate Scientific Calculator (below)
by Gustavo ALH
with the Conversions separated into a separate section: CLIPS Calculator - Conversion mode

Calculatoria
Simple and scientific online calculator
with calculation tape (memory record).
Made in Czech republic.

Computes multiple math expressions simultaneously. High precision with support for 1000+ digits accuracy. Results are calculated instantly as soon as you type them. Define your own variables and functions. Solve equations for unknown variable x.

Its beautiful user-interface is designed for efficiency. Previous sessions are automatically saved and you have the option of always keeping the calculator in memory or on top of other windows. Downloador try online.

This is a device for performing calculations involving quantities
with known or estimated uncertainties. This is known as error
propagation or uncertainty propogation.
It calculates uncertainties two ways:

most probable uncertainty, also called standard error
(or uncorrelated uncertainty), which is used when errors are independent;

maximum uncertainty, also called maximum error
(or correlated uncertainty), which is used when they are not.

GraphFree
This free online graphing utility can plot a wide variety of functions including polar, parametric, piecewise, conics (and other implicit plots), and even slope fields. You can plot up to six functions at once, mixing and matching function types. Other features include the ability to shade inequalities or the area between curves, several different grid types (cartesian, polar, semi-logarithmic, and number line), and the ability to add legends and/or captions.

Graphical Function Explorer (GFE) GFE is a free web-based function graphing tool that allows you to plot up to three functions on the same set of axes. In the functions you can refer to up to four independent variables that are controlled by sliders. This allows you to easily see the effect of changes since the graphs change in real time as you drag the sliders.

Plot beautiful graphs of 3D math functions. Type down a function and it's instantly plotted for you.
Both cartesian and polar coordinates are supported as well as parametric equations and inequalities. Downloador use online.

The Inflation Calculator uses monthly consumer price index (CPI)
data from 1914 to the present to show changes in the cost of a fixed
"basket" of consumer purchases.
These include food, shelter, furniture, clothing, transportation, and recreation.
An increase in this cost is called inflation.

## Basic | Scientific| Graphing | Plotting Utilities | CAS | Business | Related Links

Click a thumbnail to see a larger versionBasic Calculatorsbased on the CJ calculator below

as well as code by H.G. Arunkumar

Scientific CalculatorsBased on the Ultimate Scientific Calculator (below)

by Gustavo ALH

with the Conversions separated into a separate section:

CLIPS Calculator - Conversion mode

Simple and scientific online calculator

with calculation tape (memory record).

Made in Czech republic.

Does calculations and conversions. Can be used on webpages.

Can create shared calculators (e.g. pythagorean theorem)

Javascript, MathML, MathPlayer

Computes multiple math expressions simultaneously. High precision with support for 1000+ digits accuracy. Results are calculated instantly as soon as you type them. Define your own variables and functions. Solve equations for unknown variable x.

Its beautiful user-interface is designed for efficiency. Previous sessions are automatically saved and you have the option of always keeping the calculator in memory or on top of other windows. Downloador try online.

This is a device for performing calculations involving quantities

with known or estimated uncertainties. This is known as error

propagation or uncertainty propogation.

It calculates uncertainties two ways:

most probable uncertainty, also called standard error(or uncorrelated uncertainty), which is used when errors are independent;

maximum uncertainty, also called maximum error(or correlated uncertainty), which is used when they are not.

This calculator can do basic statistical analysis of a set

of repeated measurements, including measurements with uncertainties.

An online symbolic derivative calculator that lets you compute derivatives

and partial derivatives of arbitrary mathematical functions.

An online calculator that supports definite integrals as well as

indefinite integrals (antiderivatives). Works for complex functions as well.

## Graphing Calculators

an implementation of the function graphing tools by Kaskosz and Ensley

a very nice Flash-based implementation

This free online graphing utility can plot a wide variety of functions including polar, parametric, piecewise, conics (and other implicit plots), and even slope fields. You can plot up to six functions at once, mixing and matching function types. Other features include the ability to shade inequalities or the area between curves, several different grid types (cartesian, polar, semi-logarithmic, and number line), and the ability to add legends and/or captions.

implemented at Cool Math Graphing Calculator

GFE is a free web-based function graphing tool that allows you to plot up to three functions on the same set of axes. In the functions you can refer to up to four independent variables that are controlled by sliders. This allows you to easily see the effect of changes since the graphs change in real time as you drag the sliders.

by Andy Schmitz

GraphCalc

Also, Graph by Ivan Johansen.

Plot beautiful graphs of 3D math functions. Type down a function and it's instantly plotted for you.

Both cartesian and polar coordinates are supported as well as parametric equations and inequalities. Downloador use online.

## Plotting Utilities

Plots points, lines and planes using various forms and a simple click and drag interface.

(ad supported)

Graph, solve, differentiate.

## Computer Algebra System

Click on My Yacas

Free Online CAS - no download required.

Create an account and start using it.

There is a Quick Reference Card available.

## Business/Financial

data from 1914 to the present to show changes in the cost of a fixed

"basket" of consumer purchases.

These include food, shelter, furniture, clothing, transportation, and recreation.

An increase in this cost is called inflation.

(ad supported)

## Related Links

ODP ( Dmoz ) web based calculatorsSuper calculators

Directory of E-Learning Tools: Calculator page

Martindale's Calculators On-Line Center Mathematics Calculator Center

Online Calculators Live Binder

Reflections on Math Manipulatives and Calculators

Commercial MAC/PC Graphing Calculator and the long, but very entertaining story of its development.

Graphmatica (shareware) is a powerful, easy-to-use, equation plotter with numerical and calculus features.

Crest Capital Ultimate List of Tax Calculators

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- rossisen Jun 14, 2007