Calca icon

Calca

Krueger Systems, Inc.

4.5

store rating

$9.99

With this calculator app, you can solve equations, simplify expressions, and manipulate variables effortlessly. Includes functions for derivatives, matrices, logic operations, and number systems.

AppRecs review analysis

AppRecs rating 4.3. Trustworthiness 79 out of 100. Review manipulation risk 22 out of 100. Based on a review sample analyzed.

★★★★

4.3

AppRecs Rating

Ratings breakdown

5 star

80%

4 star

7%

3 star

5%

2 star

3%

1 star

5%

What to know

Low review manipulation risk

22% review manipulation risk

Credible reviews

79% trustworthiness score from analyzed reviews

High user satisfaction

80% of sampled ratings are 5 stars

About Calca

Calca is a powerful symbolic calculator that gives you instant answers as you type. It solves equations and simplifies complex expressions - it's a computer algebra system in your pocket! It's also a rich Markdown text editor so that you can explain your ideas alongside your calculations.

Calca is perfect for professionals and students - anyone who works with numbers and equations. Variables and functions can be created with only a few keystrokes and can be manipulated with a rich library of operators and functions.

Calca updates as you type - just like a spreadsheet. You can declare variables, edit their values and watch everything update before your eyes. Since everything is calculated on the device - no network needed - you get answers instantaneously.

All calculations are stored as plain text so you can easily share them with other editors and move them from device to device. Calca has been designed to work with iCloud documents so all your devices can access your calculations - you'll always have the latest files ready for viewing and editing.

Calca comes with a suite of examples to help you get started covering topics from home mortgages to kinetics. All these examples are fully explained within Calca itself.

Are you still using a desktop calculator? Are you using the calculator with the giant buttons that came with your OS? Computers are much more capable than doing simple one-line arithmetic - put your machine to work with Calca!

Calculation Features:

• Variables `x = 42`
• Functions `f(c) = 9/5*c + 32` and even recursive functions
• Units `42 mph in kmph` and currency `¥599 in $`
• Solves equations (`x + 2x + 4x = 42`, what is x?)
• Matrices with inverses so you can solve linear equations
• Sum, prod, map, and reduce operations on lists, matrices, and ranges
• Trigonometry and complex numbers
• Derivatives of functions
• Logic operations and if statements
• Binary math (& and |) and support for binary and hex number (`0xA9` and `0b1010`)
• Keeps track of units (m, s, m/s, m/s^2, etc.) so you can verify your equations as you compute

Please visit http://calca.io to see lots of examples. Thank you for looking!
Calca Screenshots
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