Number Sequence Calculator

Number Sequence Calculator

Arithmetic Sequence Calculator

First term (a₁) Common difference (d) Number of terms (n)

Result will appear here.

Geometric Sequence Calculator

First term (a₁) Common ratio (r) Number of terms (n)

Result will appear here.

Note: Sum undefined if r = 1; n-th term ok.

Fibonacci Sequence Calculator

Term number (n)

Result will appear here.