Inverse Tangent Calculator
Quickly compute inverse tangent values with our free online calculator, suitable for students, professionals, and anyone working with angles and trigonometry.

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About This Tool
The Inverse Tangent Calculator is a simple web-based tool that computes the arctangent of any real number input. Designed for learners, engineers, and programmers, it provides immediate results in degrees or radians with high accuracy.
Select or enter a decimal value, choose your preferred output unit, and click 'Calculate' to get the angle quickly. The tool features input validation, error handling, and a clean, intuitive interface. Users can easily copy or share results, and optional additional features include calculation history and customizable precision.
This calculator supports a broad range of inputs, from small decimals to large numbers, making it suitable for diverse mathematical, engineering, or educational use-cases. Its responsive layout ensures usability on desktops, tablets, and smartphones, allowing for seamless workflow whether in the classroom, office, or field.
How to Use
1. Enter your decimal value in the input box.
2. Select 'Degrees' or 'Radians' for output.
3. Click the 'Calculate' button.
4. View the result displayed below.
5. Optional: copy or share the result, or reset inputs.

FAQs/Additional Resources
Find Quick Answers
What is the inverse tangent or arctangent?
What input values are valid for this calculator?
Can I get results in both degrees and radians?
What should I do if I encounter an error?
Is this tool suitable for educational purposes?
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