SpeedCalc – The Fastest Scientific Calculator Online

SpeedCalc is built for speed, precision and usability. Type calculations instantly, navigate entirely by keyboard and keep track of results with an intelligent calculation history.

🧮 A Versatile Scientific Calculator

Includes all essential functions: trigonometry, powers, roots, logarithms, constants, and more. Suitable for students, engineers, programmers, and researchers.

📚 Smart Calculation History

SpeedCalc stores your calculations locally in a clean, editable history list. You can copy, modify, and continue calculations with ease. The history works like a note editor—fast, clean, and flexible.

🌐 Works Directly in Your Browser

No downloads. No registration. Works instantly on all devices and platforms. SpeedCalc is built for everyone who needs a fast, free, and reliable calculator without unnecessary graphics.