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Scientific Calculator
A powerful scientific calculator with trigonometric functions, logarithms, and more.
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A powerful scientific calculator with trigonometric functions, logarithms, and more.
No calculations yet
A scientific calculator extends a basic calculator with operations needed for engineering, mathematics, statistics, and the physical sciences: trigonometric and inverse trigonometric functions, exponentials and logarithms, factorials, hyperbolic functions, parentheses for expression grouping, and constants like pi and e. The result is a tool capable of evaluating most expressions encountered in high school and undergraduate coursework.
This calculator runs entirely in your browser and supports standard expression syntax: 2*sin(pi/4), log(100), sqrt(2)+e^x, factorial(5). Order of operations follows standard mathematical conventions (parentheses, exponents, multiplication and division, addition and subtraction). Both degree and radian modes are available for trigonometric functions.
The calculator is designed for quick computation rather than symbolic mathematics. It returns numeric values; for symbolic manipulation (factoring, integration, equation solving), a CAS (computer algebra system) like Wolfram Alpha or SymPy is more appropriate.
Many calculations students and engineers perform involve trigonometry, logarithms, or exponents — operations a basic four-function calculator cannot handle. A scientific calculator covers these directly without needing to consult tables or use multiple separate apps.
Browser-based calculators also avoid the friction of phone or hardware calculators. Anyone with a browser can compute sin(35°) without installing anything. The calculation history (where preserved) helps repeat calculations without re-typing.
Type expressions or click buttons. Press equals to evaluate.
The calculator uses JavaScript's native Math library for trig functions, logarithms, and other standard operations. Internal precision is IEEE 754 double-precision floating point — about 15–17 significant decimal digits. Very large and very small numbers are represented in scientific notation automatically.
Expression parsing follows standard precedence: parentheses outermost, then function calls, then exponents (right-associative), then multiplication/division, then addition/subtraction. Implicit multiplication (e.g., 2pi rather than 2*pi) is supported.
Floating point limitations apply. 0.1 + 0.2 in any IEEE 754 environment produces 0.30000000000000004 due to binary representation; the calculator rounds for display but underlying values may show this. For exact rational arithmetic, use a CAS.