Trigonometry, logarithms, factorials, powers — full scientific math in your browser.
| Angle | sin | cos | tan |
|---|---|---|---|
CalcHub's scientific calculator is a comprehensive online math tool built for students, teachers, engineers, and anyone who regularly works with advanced mathematical functions. Unlike a basic four-function calculator, our scientific version supports over 20 mathematical operations spanning trigonometry, logarithms, exponentials, roots, and more — all running instantly in your browser with no installation required.
The calculator supports three angle modes — Degrees, Radians, and Gradians — making it suitable for every curriculum and professional standard worldwide. A built-in memory system (MS, MR, M+, M−, MC) lets you store intermediate results and build complex multi-step calculations without writing anything down.
Trigonometry is the mathematical study of the relationships between the angles and sides of triangles. Our calculator provides all six core trig functions through the three primary ones (sin, cos, tan) and their inverses (sin⁻¹, cos⁻¹, tan⁻¹ also known as arcsin, arccos, arctan). Switch between degree and radian input to match your textbook or application.
Common uses include: calculating the height of a building from its shadow length and the sun's elevation angle, finding the tension in a cable at a known angle, or solving navigation problems using bearing and distance. Engineers, architects, and physicists rely on trigonometric functions daily.
Logarithms are the inverse of exponentials and appear throughout science, engineering, and finance. The log button computes the base-10 (common) logarithm, while ln computes the natural logarithm (base e). The eˣ key raises Euler's number e to any power, and 10ˣ raises 10 to a power. These are essential for solving exponential growth/decay problems, pH calculations in chemistry, decibel levels in acoustics, and Richter magnitudes in seismology.
The n! (factorial) function multiplies a positive integer by every positive integer below it. Factorials are fundamental to combinatorics — the mathematics of counting arrangements and selections. They appear in probability theory, the binomial theorem, Taylor series, and the calculation of permutations and combinations in statistics.