Scientific Calculator
Free online scientific calculator with trigonometric, logarithmic, exponential, and other advanced mathematical functions.
Scientific Calculator
Full-featured scientific calculator with trigonometric functions, logarithms, and memory.
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History
No calculations yet.
Tips
- Click a history entry to reuse the result
- Toggle DEG/RAD for angle mode
- Use x^y for exponents (e.g. 2^10)
- Memory: M+ adds, M- subtracts, MR recalls, MC clears
Online Scientific Calculator
This free scientific calculator supports all the functions you'd find on a physical scientific calculator, right in your browser. Perform basic arithmetic, trigonometric calculations, logarithms, exponents, and more.
Available Functions
- Basic: Addition, subtraction, multiplication, division, percentage
- Trigonometry: sin, cos, tan and their inverses (with degree/radian modes)
- Logarithms: Common log (base 10) and natural log (base e)
- Powers: Square, cube, arbitrary exponents (x^y), square root
- Other: Factorial, absolute value, reciprocal, constants (π, e)
- Memory: Store, recall, add to, and subtract from memory
Degrees vs Radians
Toggle between degree and radian mode using the DEG/RAD button on the display. In degree mode, trigonometric functions interpret input as degrees (e.g., sin(90) = 1). In radian mode, input is in radians (e.g., sin(π/2) = 1).
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How to Use
- 1Enter numbers and operations using the on-screen buttons or your keyboard.
- 2Use function buttons for trigonometry (sin, cos, tan), logarithms (log, ln), powers, and roots.
- 3Press equals or Enter to evaluate the expression and view the result.
Frequently Asked Questions
What functions does the scientific calculator support?
The calculator supports trigonometric functions (sin, cos, tan and their inverses), logarithms (log base 10 and natural log), exponents, square roots, nth roots, factorials, pi, e, and standard arithmetic operations.
What is the difference between degrees and radians?
Degrees and radians are both units to measure angles. A full circle is 360 degrees or 2 pi radians. Most scientific calculators let you switch between the two modes for trigonometric calculations.
How precise are the calculations?
The calculator uses standard floating-point precision (about 15-17 significant decimal digits), which is sufficient for virtually all scientific and engineering calculations.
Can I use parentheses for complex expressions?
Yes, you can use parentheses to control the order of operations. The calculator follows standard mathematical order of operations (PEMDAS/BODMAS) and supports nested parentheses.
What is the difference between log and ln?
log (common logarithm) uses base 10, while ln (natural logarithm) uses base e (approximately 2.71828). Both are inverse operations of exponentiation with their respective bases.