Number Theory

Continued Fraction Calculator

Calculate the continued fraction representation of any irrational number. Explore approximations and understand the concept with our easy-to-use tool.

Enter Irrational Number

Input an irrational number or a mathematical expression (e.g., sqrt(2), pi, (1+sqrt(5))/2) to find its continued fraction representation.

Continued Fraction Representation:

Approximations

Continued fractions provide a sequence of rational approximations that get progressively closer to the irrational number.

What are Continued Fractions?

A continued fraction is a way to represent any real number as a sequence of integers. For an irrational number, this sequence is infinite. Each term in the sequence, called a convergent, provides a rational approximation of the number. For example, the continued fraction of π starts as [3; 7, 15, 1, 292, ...]. The approximations are obtained by truncating this sequence: 3, 3 + 1/7 = 22/7, 3 + 1/(7 + 1/15) = 333/106, and so on, each getting closer to π. Continued fractions are useful in number theory, approximation theory, and computer science.

  • Representation: Expressing numbers as nested fractions.
  • Approximations: Generating rational values close to irrational numbers.
  • Applications: Used in various fields like number theory and computing.

Frequently Asked Questions

What is the Continued Fraction Calculator?
The Continued Fraction Calculator is an online Number Theory calculator. You enter your values, and it returns the answer with the steps shown so you can follow along.
How accurate is the Continued Fraction Calculator?
The solver uses a math engine that avoids the floating-point rounding errors you get from most hardware calculators. For typical homework and professional calculations, the results will match what you would get by hand.
Can I use the Continued Fraction Calculator for professional Number Theory projects?
Yes. The math behind it is standard Number Theory, so the results are reliable for professional use. That said, always double-check that your inputs are in the right format before relying on the output.
Why use the Continued Fraction Calculator instead of calculating by hand?
Manual calculation is slow and error-prone, especially with multiple steps. This tool does the arithmetic for you and shows each step, so you can catch mistakes before they carry forward.
How do I format my inputs for the Continued Fraction Calculator?
Type your numbers into the input fields. Leave out units and symbols unless a field specifically asks for them. The solver handles the rest.