Square
Maths
How to calculate geometric sequence term
This tool calculates geometric sequence term from First term, Ratio, Term number (integer ≥ 1). Enter each quantity in its labelled field, then use the formula below to check the calculation.
Formula
first × ratio^(n − 1)
Worked example
- First term
- 2
- Ratio
- 3
- Term number (integer ≥ 1)
- 5
Applying the formula to these values gives 162 .
What should I check?
Calculate powers, roots, logarithms, ratios, slopes and trigonometric functions. Trigonometric angles are entered in degrees.
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