Arithmetic Sequence Calculator

An arithmetic sequence is a list of numbers where each number is equal to the previous number, plus a constant. The constant is called the common difference, often denoted as d.
To find the sum of a given arithmetic sequence as well as the nth term in the sequence, simply fill in the necessary values below and then click the “Calculate” button.

a10 (the value of the 10th term) = 32

s10 (the sum of the first 10 terms) = 185


Formulas used:

an (the value of the nth term) = a1 + ((n−1)*d)

sn (the sum of the first n terms) = (n/2) * (2a1 + (n−1)*d)

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