Whether you are a high school student tackling algebra, a college engineering student working through complex calculus, or a professional needing to compute quick trigonometric functions, our Scientific Calculator provides all the advanced mathematical functions you need in a clean, browser-based interface. No downloads or app installs required—just instant, accurate calculations.
When entering complex equations like 2 + 3 * sin(45), the calculator strictly adheres to the standard mathematical order of operations, commonly remembered by the acronym PEMDAS:
() are always resolved first.x^2 or √x) are calculated next.Our parser intelligently tokenizes your input and builds an Abstract Syntax Tree to guarantee your equations are evaluated with 100% mathematical accuracy.
Trigonometric functions (Sine, Cosine, Tangent) require an angle as an input. However, angles can be measured in two units: Degrees and Radians. A full circle is 360 degrees, which is equivalent to 2π radians. By default, our calculator is set to Degrees (DEG), which is standard for geometry and everyday physics. If you are working on calculus or higher-level university mathematics, you can toggle the calculator to Radians (RAD) with a single click. The calculator will automatically adjust the trigonometry formulas to ensure your results are accurate to the selected unit.
π (Pi): Approximately 3.14159. Represents the ratio of a circle's circumference to its diameter. Essential for trigonometry and geometry.
e (Euler's Number): Approximately 2.71828. The base of the natural logarithm. Crucial for calculating exponential growth or decay in finance, biology, and physics.
Logarithms are the inverse of exponential functions. Our calculator features two log buttons: log (Base-10 logarithm, used in chemistry for pH scales and in audio for decibels) and ln (Natural logarithm, used heavily in calculus and finance for continuous compounding).Exponents (represented by the ^ symbol) allow you to raise a number to a power. For example, entering 2^10 will return 1024.