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Scientific Calculator
Accurately perform scientific calculations with our free online calculator, perfect for students and professionals needing quick results.
Check It Yourself
About This Tool
Our free online scientific calculator replicates the functionality of the Casio fx 991, enabling users to perform complex mathematical and scientific calculations directly from their browsers.
Designed for students, teachers, engineers, and technical professionals, this tool offers an interactive interface that closely resembles the physical calculator. It supports a wide range of functions, including basic arithmetic, trigonometry, logarithms, exponents, roots, factorials, and mode settings.
The calculator is designed with a responsive layout suitable for desktops and mobile devices, ensuring accessibility and ease of use anywhere. It features memory functions and error handling to assist users in complex computations. Additional features like calculation history and data export are available for enhanced usability.
Built with modern web technologies, the tool emphasizes speed, accuracy, and accessibility, making it an essential digital resource for science students, educators, and technical professionals seeking a reliable, portable calculator solution.
How to Use
1. Use your mouse or keyboard to click or type numbers and functions.
2. Select desired operations or functions from the available buttons.
3. Press 'Equals' to view the calculation result.
4. Use memory and mode settings as needed for advanced calculations.
5. Reset or clear entries using the dedicated buttons.
FAQs/Additional Resources
Find Quick Answers
Can I perform advanced functions like factorials or logs?
Is this tool suitable for educational purposes?
Does it support angle unit modes?
Can I save or export my calculations?
Is the tool accessible for keyboard and screen readers?
User Reviews
See What Others Are Saying
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
John Doe
CEO of Company
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
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