Number Sequence Calculator
The nth arithmetic term is the first term plus n minus one times the common difference.
This calculator is free to use. Enable JavaScript to enter your values and see a result instantly.
How it works
The nth arithmetic term is the first term plus n minus one times the common difference.
Worked example
Starting at 3 and adding 4 gives 3, 7, 11, 15, and so on.
Keep in mind
Results are estimates; check the assumptions for your situation.