Comparison of online calculators
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General-purpose calculators
These calculators are online substitutes for the standard calculator. They serve a general mathematical purpose.
| Price | Simple operators[note 1] | Roots[note 2] | Logarithms[note 3] | Trigonometric functions[note 4] | Scientific notation | Expressions | Units | Calculation history (tape) | Graphing | Website | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Calc5 [1] | Free | Yes | Yes | Partial | Yes | No | Yes | No | Yes | Yes | calc5.com |
| Calcoolate | Free | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | calcoolate.com |
| Calculator Tab | Free | Yes | Yes | Yes | Yes | Yes | No | No | No | No | calculator-tab.com |
| eCalc | Non-freeUS$15 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | ecalc.com |
| Google [2] | Free | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | google.com |
| instacalc [3] | Free | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | instacalc.com |
| Metacalc | Free | Yes | Partial | No | No | No | No | No | No | No | metacalc.com |
| Virtual Calc98 | Free | Yes | Partial | Yes | Yes | Yes | No | No | No | No | calculator.org/jcalc98.aspx |
| Visual Calculator [4] | Free | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | No | visualcalculator.com |
| web2.0calc [5] | Free | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes | web2.0calc.com |
| WolframAlpha [6] | Free | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | wolframalpha.com |
Special-purpose calculators
Graphing calculators
Graphing calculators are used to visually depict the relationship between variables in either two or three dimensions.
| Price | Expressions | Equations | Polar coordinates | Derivatives | Parametric curves | Website | |
|---|---|---|---|---|---|---|---|
| Calc5 [7] | Free | Yes | No | No | Yes | No | calc5.com |
| e-Tutor Graphing Calculator [8] | Free | Yes | No | No | No | No | e-tutor.com/et2/graphing |
| GCalc | Free | Yes | No | No | No | No | gcalc.net |
| web2.0calc [9] | Free | Yes | No | No | Yes | No | web2.0calc.com |
| WolframAlpha [10] | Free | Yes | Yes | Yes | Yes | Yes | wolframalpha.com |
Advanced scientific and engineering calculators
These calculators are specifically suited for calculations in a field of science or applied science. They fill a specific gap left by more general calculators, but are often not suitable for general use.
| Price | Primary field or use | Website | |
|---|---|---|---|
| Astro-Physical Calculator | Free | Astrophysics | astro.wisc.edu/~dolan/constants/calc.html |
| Calculate Logarithm | Free | Logarithms | rechneronline.de/logarithm |
| Calculator Edge | Free | Engineering | calculatoredge.com |
| DiGiTconvert | Free | Base conversion | digitconvert.com |
Practical calculators and collections
These calculators have both a narrow purpose and a practical application, such as an amortization calculator. Several websites have extensive collections of narrow use, but practical calculators such as this.
| Price | Purpose | Website | |
|---|---|---|---|
| Bankrate Calculators | Free | Finance | bankrate.com/calculators |
| Calculator.com | Free | Various | calculator.com |
| Calculator.net | Free | Various | calculator.net |
| Martindale's Calculators On-Line Center | Free | Various | martindalecenter.com/Calculators.html |
| Online Conversion | Free | Unit conversion | onlineconversion.com |
See also
Notes
- ↑ Supports addition, subtraction, multiplication, division, and exponentiation.
- ↑ Supports either a function for performing arbitrary roots or exponentiation to arbitrary fractional powers. Support for only square or cube roots constitutes partial support.
- ↑ Supports both the natural logarithm and base-10 logarithm. Support for only one of these constitutes partial support. Support for logarithms to an arbitrary base is rarely found in a general-purpose calculator and is therefore not a requirement.
- ↑ Supports at a minimum the sine, cosine, and tangent functions in either radians or degrees.
References
- ↑ "calc5 Help"
- ↑ "How to use the Google calculator"
- ↑ InstaCalc Command Reference
- ↑ "Scientific Functionality of Visual Calculator"
- ↑ web2.0calc.com Help / Standard Functions
- ↑ Wolfram|Alpha Examples - Mathematics
- ↑ "calc5 Help"
- ↑ "e-Tutor - Graphing Calculator - Instructions"
- ↑ web2.0calc.com Help / Standard Functions
- ↑ Wolfram|Alpha Examples - Plotting & Graphics
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