### Formula

an

n-th term

am

m-th term

n

index of an

m

index of am

d

common difference

an

n-th term

am

m-th term

n

index of an

m

index of am

d

common difference

In mathematics, an arithmetic progression (AP) or arithmetic sequence is a sequence of numbers such that the difference of any two successive members of the sequence is a constant.

am

n

m

d

an

Precision

- C
- C#
- C++
- Java
- JavaScript
- LaTeX
- PHP