Alcula Scientific Calculator
Alcula Scientific Calculator: A free web calculator for scientific functions, complex numbers, and expression history. Ranked #20 of 32 in Scientific Calculator Apps by our editors (6.6/10); pricing: Free plan; best for web users needing free complex-number calculations.
At a glance
- Editor score6.6 / 10
- PricingFree plan
- Best forWeb users needing free complex-number calculations
- Free planYes
- Paid fromNone
- Platform supportWeb
- Facts checked28 Sep 2026
Where it wins
- Handles complex numbers, including polar-form input.
- Offers fractions and fixed, floating-point, scientific, or engineering notation.
- Supports combinatorics and lets users retrieve earlier expressions.
Where it doesn't
- Available on the web only.
- Does not support equation solving.
- Does not include matrix operations.
Our verdict on Alcula Scientific Calculator
Alcula Scientific Calculator is a free, browser-based tool for entering and evaluating mathematical expressions. Its stated audience includes students and teachers of mathematics, and its mix of scientific functions and complex-number input also suits solo users who want a web calculator for those calculations. Expressions can be typed or entered with an on-screen keyboard. Results may include fractional forms and floating-point approximations, depending on the expression.
The calculation range goes beyond basic arithmetic: Alcula supports trigonometric, inverse trigonometric, and hyperbolic functions, as well as logarithms, powers, and square roots. It also includes factorials, permutations, combinations, and random numbers. Complex-number input includes polar form. For reviewing work, the calculator keeps an expression history and allows prior expressions to be retrieved. These capabilities make it more suited to mathematical expressions than a basic four-function calculator, while the stated feature set does not include equation solving or matrix operations.
Output controls are useful when a result needs to be read in a particular form: the calculator offers fixed, floating-point, scientific, and engineering notation, alongside fractions when available. Alcula is a focused choice for people who want these functions in a web interface without a paid plan. It is less suitable for buyers who need an app on platforms beyond the web, equation-solving tools, or matrix calculations. The product is presented as cloud-deployed, with email as its support channel; those looking for a broader platform or a different calculation scope should consider alternatives.
Alcula Scientific Calculator pricing
Alcula Scientific Calculator fact sheet
| Free plan | Yes |
|---|---|
| Paid from | None |
| Platform support | Web |
| Equation solving | No |
| Statistics tools | Yes |
| Programmable functions | Not verified |
| Complex numbers | Yes |
| Offline mode | Not verified |
| Matrix operations | No |
| Deployment | Cloud |
| Platforms | Web |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | alcula.com |
| Facts checked | 28 Sep 2026 |
Alternatives to Alcula Scientific Calculator
- Wolfram|AlphaBroad computational answers across math, science and more, with paid step-by-step help.9.3
- GeoGebraA broad, visual math toolkit for learners, with graphing, algebra practice, and classroom tools.9.1
- Desmos Scientific CalculatorA focused web calculator for scientific functions, lists, variables, and complex numbers.8.8
See all Alcula Scientific Calculator alternatives →
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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