Welcome to Math.net

All the math you need to succeed — Explore our world of mathematics with a FREE math problem solver, calculators, articles, exercises, worksheets and more!

Every nonnegative real number a has a unique nonnegative square root, called the principal square root, which is denoted by √a, where √ is called the radical sign or radix. For example, the principal square root of 9 is 3, denoted √9 = 3, because 32 = 3. • 3 = 9 and 3 is nonnegative.

Rate this calculator:(3.00 / 1 vote)


Use the citation below to add this Square Root Calculator to your bibliography:


"Square Root Calculator" Math.net. STANDS4 LLC, 2017. Web. 15 Dec. 2017. <http://www.math.net/calculators/square-root>.

Discuss everything about Square Root Calculator with the community:

We need you!

Help us build the largest mathematics knowledge base on the web!