Scientific Calculator
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How it Works
01Use Standard & Scientific Keys
The calculator provides a full numeric keypad plus scientific functions: sin, cos, tan, log, ln, √, x², xʸ, and π — accessible in a single interface.
02Compute Trigonometric Functions
Calculate sin, cos, and tan in either degree or radian mode. Inverse trig functions (arcsin, arccos, arctan) are also supported.
03Use Logarithms & Exponents
Compute log base 10, natural log (ln), powers (xʸ), and exponential values (eˣ). Supports parentheses for controlling order of operations.
04Memory & History Functions
Store values in memory (M+, M-, MR, MC) and review your recent calculation history to retrace or reuse previous expressions.
What is a Scientific Calculator?

The calculator supports standard algebraic entry with full operator precedence, parentheses grouping, and memory functions. Trigonometric functions work in both degrees and radians — a common source of error that our interface makes easy to manage with a clearly labeled toggle. Scientific notation is handled seamlessly for very large and very small numbers, making it suitable for chemistry, physics, and engineering work where extreme values are common.
Beyond individual calculations, the tool maintains a calculation history so you can review your recent work and reuse previous results. It's accurate to at least 15 significant figures — more than sufficient for virtually all academic and professional scientific work. Completely free, no installation needed, and works on any device.
Pro Tip: For more relevant tools in the math and science category, try our Calculate Percentage.
How It Works?
Calculation In Practice
Technical Reference
Key Takeaways
Frequently Asked Questions
What is the ?
The calculator supports standard algebraic entry with full operator precedence, parentheses grouping, and memory functions. Trigonometric functions work in both degrees and radians — a common source of error that our interface makes easy to manage with a clearly labeled toggle. Scientific notation is handled seamlessly for very large and very small numbers, making it suitable for chemistry, physics, and engineering work where extreme values are common.
Beyond individual calculations, the tool maintains a calculation history so you can review your recent work and reuse previous results. It's accurate to at least 15 significant figures — more than sufficient for virtually all academic and professional scientific work. Completely free, no installation needed, and works on any device.
Pro Tip: For more relevant tools in the math and science category, try our Calculate Percentage.
Does it support degrees and radians?
Does it follow order of operations?
Can it handle scientific notation?
Does it have memory functions?
How accurate is it?
Does it keep a calculation history?
Can I use it for calculus?
Is it free?
Does it work on mobile?
Disclaimer
The results provided by this tool are for informational purposes only and do not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.