How do I enter π (pi) in the calculator?

Press the π button — it inserts 3.14159265358979... into the calculation. For 2π, type 2 × π.

How do I calculate log or natural log (ln)?

Press LOG for log base 10 (e.g., log(1000)=3). Press LN for natural log base e (e.g., ln(e)=1).

Can I calculate powers and square roots?

Use ^ for powers (e.g., 2^8=256). Use √ for square root (√144=12). For cube root: 27^(1/3)=3.

How do I use scientific notation?

Enter numbers in scientific notation as e.g. 1.5e6 (= 1,500,000) or 3.2e-4 (= 0.00032). Results are displayed in scientific notation automatically for very large or small numbers.

Scientific Calculator

Full scientific calculator with sin, cos, tan, logarithms, powers, and constants π and e

Runs locally in your browser🆓Free — no sign-up🔒100% Private

A scientific calculator handles the mathematical operations that a basic four-function calculator cannot: trigonometric functions (sin, cos, tan and their inverses), natural and common logarithms, exponential functions, square and cube roots, factorials, and complex multi-step expressions with proper operator precedence. These are the standard functions required for physics, chemistry, engineering, and university-level mathematics courses. This browser-based scientific calculator provides full scientific function coverage, correct order of operations with parenthetical grouping, a straightforward toggle between degree and radian modes for trigonometric functions, and a running calculation history so you can refer back to previous results without re-entering entire expressions from scratch. Consider a few everyday situations where this tool proves immediately useful. A physics student working through projectile motion problems might need to evaluate an expression like sin(30°) multiplied by the square root of a velocity term, requiring both degree-mode trigonometry and root functions in a single chained calculation. A chemistry student determining pH from a hydrogen ion concentration uses the common logarithm — log(0.00032) — to convert a small decimal into a usable acidity value in seconds. An electrical engineering student calculating the impedance of an AC circuit often needs to combine inverse tangent, squares, and square roots across several steps, making the history panel especially valuable for verifying each stage without retyping earlier work. Students enrolled in calculus, statistics, or any applied science course benefit most from this tool, as do self-taught learners, hobbyists designing electronics projects, and working professionals who need a dependable calculation environment without installing dedicated desktop software. Because all computation runs entirely within your browser, no expression or result is ever sent to an external server — your work stays completely private, and the calculator continues to function reliably regardless of network conditions once the page has loaded.

How to use Scientific Calculator

1.Use the number pad and operators for basic arithmetic: +, −, ×, ÷, and parentheses.
2.Click function buttons for trigonometry: sin, cos, tan, and their inverses (asin, acos, atan).
3.Use log for base-10 logarithm and ln for natural logarithm.
4.Use x² for squaring, √ for square root, and xʸ for any power.
5.Constants π (3.14159…) and e (2.71828…) are available as single-tap buttons.

Key Features

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Trigonometric functions — sin, cos, tan and their inverses (asin, acos, atan) available in degrees or radians.

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Logarithms — Base-10 logarithm (log) and natural logarithm (ln) with a single key press.

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Powers and roots — Square, cube, square root, and xʸ for any exponent.

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Mathematical constants — π (pi) and e (Euler's number) are built-in constants for scientific and engineering calculations.

Frequently Asked Questions about Scientific Calculator

Press sin, cos, or tan, enter the angle, and press =. Make sure the angle mode (DEG or RAD) is correct. In degree mode: sin(30°) = 0.5. In radian mode: sin(π/6) = 0.5.