Perform scientific calculations with trigonometric, logarithmic, and exponential functions.
Click buttons or use your keyboard to type numbers and operators.
Use sin, cos, tan, log, ln, sqrt, factorial, and power functions.
Use M+ to add to memory, M- to subtract, MR to recall, and MC to clear memory.
Click the copy button to copy the current display value to your clipboard.
Convert length, weight, temperature, area, and volume units.
Number Base ConverterConvert between binary, octal, decimal, and hexadecimal number systems.
Percentage CalculatorCalculate percentages easily with three common modes.
Chmod CalculatorConvert Unix file permissions between numeric and symbolic formats.
Random Number GeneratorGenerate cryptographically secure random numbers with custom ranges and count.
Scientific CalculatorPerform scientific calculations with trigonometric, logarithmic, and exponential functions.
Scientific Calculator is a free online tool that helps you perform scientific calculations with trigonometric, logarithmic, and exponential functions. With Basic Operations: addition, subtraction, multiplication, division, and modulus. Trigonometry: sin, cos, tan, arcsin, arccos, arctan in degrees or radians, the tool makes math tasks straightforward and efficient. Every operation runs locally in your browser — your data stays private and never leaves your device.
Scientific Calculator processes everything on your device, eliminating the need for server uploads or software installation. This approach is particularly useful for performing trigonometric calculations for engineering and physics problems computing logarithmic and exponential functions for data analysis. Whether you need basic operations or more advanced math operations, Scientific Calculator delivers reliable results without compromising on security or performance.
Yes. Toggle between degrees and radians mode for trigonometric functions. The default is degrees.
sin, cos, tan, arcsin, arccos, and arctan with full keyboard and button input support.
Yes. Natural log (ln), base-10 logarithm (log), and exponentiation (exp) are all supported.
Yes, completely free with no sign-up or installation required. All calculations run locally in your browser.
Addition, subtraction, multiplication, division, and modulus.
sin, cos, tan, arcsin, arccos, arctan in degrees or radians.
Natural log (ln), base-10 log (log), and exponentiation (exp).
Memory store, recall, clear, and add for multi-step calculations.
Scientific Calculator is useful in a variety of scenarios across different workflows:
Performing trigonometric calculations for engineering and physics problems
Computing logarithmic and exponential functions for data analysis
Using memory functions for multi-step scientific calculations
Always check the angle mode before performing trig calculations. Use degrees for geometry and navigation, radians for calculus and physics.
Store intermediate results with MS (Memory Store) and recall them with MR to prevent rounding errors from manual re-entry.
Explore more math tools to enhance your workflow:
Unit Converter
Convert length, weight, temperature, area, and volume units.
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal number systems.
Percentage Calculator
Calculate percentages easily with three common modes.
Chmod Calculator
Convert Unix file permissions between numeric and symbolic formats.
Random Number Generator
Generate cryptographically secure random numbers with custom ranges and count.
Deepen your knowledge with these math guides and tutorials: