Actual widget output
Square roots in the browser

Show the exact root and the decimal together.

Each example below is the actual published output of the Square root calculator widget. Type a number; the root updates as you type, and nothing you enter is sent anywhere.

This calculator needs JavaScript.

Default settings with 72: “√72 = 6√2 ≈ 8.485281”, the working and the nearest squares, 64 and 81.