Number Sequence Calculator

Calculate an arithmetic sequence or a geometric sequence and their specific elements based on the input data.

Arithmetic Sequence Calculator

a_n = a₁ + (n − 1) ⋅ d

First number (a₁)

Number to obtain (n)

Common difference (d)

Result:

Arithmetic Sequence

Calculated value (a_n)

Sum of all numbers

a_n = a₁ ⋅ r^{n - 1}

Fist Number (a₁)

Number to obtain (n)

Common ratio (r)

Result:

Geometric sequence

Calculated value (a_n)

Sum of all numbers

Pick the calculator of your choice (Arithmetic Sequence or Geometric Sequence).
Enter the data into the fields: first number, number to obtain, and common difference (for arithmetic sequence) or common ratio (for geometric sequence)
Click on the "Calculate" button.
Get your results.

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