Scientific Calculator
A full-featured scientific calculator with trigonometry, logarithms, powers, and more.
Open Calculator →Fraction Calculator
Add, subtract, multiply, divide, and simplify fractions with step-by-step results.
Open Calculator →Percentage Calculator
Calculate percentages, percentage change, and percentage increase or decrease instantly.
Open Calculator →Random Number Generator
Generate random numbers within any range, with options for unique numbers and bulk generation.
Open Calculator →Triangle Calculator
Solve any triangle using SSS, SAS, ASA, or right triangle rules — including area and perimeter.
Open Calculator →Standard Deviation Calculator
Calculate standard deviation, variance, mean, median, mode, and more from any data set.
Open Calculator →