Our square root calculator estimates the square root of any positive number you want. Just enter the chosen number and read the results. Everything is calculated quickly and automatically! This calculator instantly returns the square root, cube root, and square of any number you enter, showing exact whole-number results for perfect squares and decimals for everything else. Find the square root, or the two roots, including the principal root, of positive and negative real numbers. Calculate the positive principal root and negative root of positive real numbers. Also tells you if the entered number is a perfect square. A square root calculator is more than just a fancy number cruncher. It’s a math helper that takes the stress out of simplifying or solving square roots, especially when the numbers get big or messy. Math notebooks have been around for hundreds of years. You write down problems, solutions and notes to go back. Use this Square Root Calculator to find the square root of any real number, simplify radicals when possible, identify perfect squares, and understand what the answer means. Use the square root calculator below to find the square root of any imaginary or real number. See also in this web page a Square Root Table from 1 to 100 as well as the Babylonian Method or Hero's Method. How To Calculate the Square Root of 123? You can calculate the square root of 123 using any of two vastly used techniques in mathematics; one is the Approximation technique, and the other is the Long Division method. Calculate the square root of any given number. Square root calculator with support for fractions. Square root formula and how to find a square root with practical examples. Calculate the square root of any number with high precision up to 1000 decimals. Features step-by-step explanations, geometric visualizations, and Newton's method demonstration.