# C++ Program to Calculate Sum of Geometric Progression1 min read

In this tutorial, we will learn and write a program to find the sum of GP series in C++. Before that, you may go through the following topics in C++ programming:

The program takes the first term, the common ratio and the number of terms as input and calculates the GP on a separate function.

## C++ Program to Calculate Sum of Geometric Progression

Output:

`Enter the first term (a): 1Enter the common ratio (r): 2Enter the no. of terms (n): 10Sum of geometric progression: 511`

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