Scientific Calculator

What is Scientific Calculator?

A scientific calculator goes beyond basic arithmetic to include advanced mathematical functions like trigonometry, logarithms, exponents, roots, and factorial. It is an essential tool for students, engineers, scientists, and anyone working with complex calculations. Our calculator features all standard scientific functions, degree/radian mode switching, memory operations (MC/MR/M+/M−/MS), calculation history, and a clean, responsive design that works on desktop and mobile.

How It Works

Use the number pad for basic arithmetic. For advanced functions: click sin, cos, tan (or their inverses) for trigonometry. Use log/ln for logarithms. x² and xʸ for powers. √ and ∛ for roots. n! for factorial. π and e for constants. Toggle DEG/RAD for angle mode. Use M+/M−/MS/MR/MC for memory operations.

Formula

Trig: sin(θ), cos(θ), tan(θ) and inverse functions
Log: log₁₀(x), ln(x), eˣ, 10ˣ
Powers: x², xʸ, √x, ∛x, 1/x
Other: n!, |x|, mod, π, e

Formula Explained

Trigonometric functions relate angles to ratios of triangle sides. Logarithms are the inverse of exponentiation. The calculator handles degree-to-radian conversion internally when DEG mode is selected. Scientific notation is supported for very large or small numbers.

Example

Calculate the hypotenuse of a right triangle with sides 3 and 4: 1. Enter 3, press x², result: 9 2. Press MS (store 9) 3. Enter 4, press x², result: 16 4. Press + then MR (recall 9) 5. Press =, result: 25 6. Press √, result: 5

Tips & Best Practices

✓Switch to RAD mode before using trig functions in calculus problems.
✓Use memory (MS/MR) to store intermediate results in multi-step calculations.
✓Check the history panel to review and verify your calculations.
✓For order of operations, use the = button between operations.
✓Press AC to clear everything, CE to clear just the current entry.

Common Use Cases

•Solving trigonometry problems in math class
•Engineering calculations with logarithms and powers
•Physics calculations involving scientific notation
•Quick conversions between degrees and radians
•Probability and statistics calculations with factorial

Frequently Asked Questions

DEG (degrees) measures angles from 0-360°. RAD (radians) measures angles from 0-2π. In degrees: sin(90°) = 1. In radians: sin(π/2) = 1. Use DEG for everyday angles, RAD for calculus and advanced math. Conversion: radians = degrees × π/180.

log (common logarithm) uses base 10: log(100) = 2 because 10² = 100. ln (natural logarithm) uses base e (≈2.718): ln(e) = 1. ln is used in calculus, compound interest, and natural growth. log is used in engineering, pH calculations, and decibels.

MS stores current display value in memory. MR recalls the stored value. M+ adds display to memory. M− subtracts display from memory. MC clears memory to 0. Memory persists across calculations until cleared.

n! (factorial) is the product of all positive integers from 1 to n. Examples: 5! = 5×4×3×2×1 = 120. 0! = 1 by definition. Factorials grow extremely fast: 10! = 3,628,800. Used in permutations, combinations, and probability.