Step-by-step instructions
- Enter or select First term.
- Enter or select Common difference.
- Enter or select Term number.
- Tap Calculate.
- Review the result shown directly below the calculator.
Arithmetic Sequence Calculator
Calculate nth term and sum of an arithmetic sequence.
How to use the Arithmetic Sequence Calculator
Calculate nth term and sum of an arithmetic sequence.
What the inputs mean
- First term
- Enter the value requested by this field label.
- Common difference
- Enter the value requested by this field label.
- Term number
- Enter the value requested by this field label.
Formula or calculation method
The calculator applies the standard mathematical relationship for the labeled inputs and returns the computed result automatically.
Example
Try entering realistic values for First term and Common difference, then tap Calculate to see how the result changes.
How to understand the result
Use the result as an estimate based on the values you entered. For planning decisions, double-check that the input units and assumptions match your real situation.
Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.