Math

Reciprocal Calculator

Multiplicative inverse 1/x of a nonzero number.

Free to use — no sign-up or login.

1/x

This free Reciprocal Calculator covers Multiplicative inverse 1/x of a nonzero number.

The reciprocal is the unique y with xy = 1. Related math tools sit beside How it works, with no account required.

Using the Reciprocal Calculator

Multiplicative inverse 1/x of a nonzero number. Typical inputs are x. How it works beside the form states the identity the Reciprocal Calculator applies.

FAQ

How do I use the Reciprocal Calculator?

Open the Reciprocal Calculator, fill x, and read the result. The reciprocal is the unique y with xy = 1.

What formula does the Reciprocal Calculator use?

The Reciprocal Calculator uses the identity in How it works. In words: The reciprocal is the unique y with xy = 1.