Calculate Simple Interest using CPP Programming

Duration: 6 min

This video lesson is available to enrolled students.

Enroll to watch — TCS SuperSet Course

AI Summary

An AI-generated summary of this video lecture.

This video is a programming tutorial that demonstrates how to write a C++ program to calculate simple interest. The instructor, Yash Jain, begins by showing a complete C++ program in an online IDE, which includes the necessary header, namespace, and main function. The program prompts the user to input the principal amount, rate of interest, and time period, then calculates the simple interest using the formula (P * R * T) / 100 and displays the result. The instructor then transitions to a new program to calculate the total amount, which is the sum of the principal and the simple interest. He modifies the code to include a new variable for simple interest, calculates it, and then computes the total amount. The video concludes with a demonstration of the program's output, showing the calculated simple interest and total amount based on the user's inputs.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a C++ program in an online IDE, titled "//Program to Calculate Simple Interest". The code includes the necessary header #include<iostream> and using namespace std; statements. The main function is defined, and three float variables are declared: P (Principal), R (Rate), and T (Time). The program uses cout to prompt the user to enter the principal, rate, and time, and cin to read these values. The simple interest is calculated and printed using the formula (P * R * T) / 100. The instructor, Yash Jain, is visible in a circular frame on the right, explaining the code. The on-screen text clearly shows the structure of the program, including the variable declarations and input/output statements.

  2. 2:00 – 5:00 02:00-05:00

    The instructor continues to explain the C++ program for calculating simple interest. He points out the variables P, R, and T, and the input/output operations. He then demonstrates the program's execution by running it in the console. The console shows the prompts for the user to enter the principal, rate, and time. The user inputs 10000 for the principal, 10 for the rate, and 2 for the time. The program calculates the simple interest as 2000 and displays it. The instructor then transitions to a new program, changing the title to "//Program to Calculate Amount". He adds a new variable SI (Simple Interest) and modifies the code to calculate the amount, which is the sum of the principal and the simple interest. The on-screen code shows the updated program structure, including the new variable and the calculation for the amount.

  3. 5:00 – 6:09 05:00-06:09

    The instructor finalizes the program to calculate the total amount. He adds a new line of code to calculate the amount as P + SI. The complete program is shown, with the final output statement printing the amount. The instructor then runs the program in the console. The console displays the prompts for the user to enter the principal, rate, and time. The user inputs 10000 for the principal, 10 for the rate, and 2 for the time. The program calculates the simple interest as 2000 and the total amount as 12000, which is then displayed. The video ends with the program's output shown in the console, demonstrating the successful calculation of the amount.

The video provides a step-by-step tutorial on writing a C++ program to calculate simple interest and the total amount. It begins with a basic program that takes user input for principal, rate, and time, and calculates simple interest using the formula (P * R * T) / 100. The instructor then extends this program to calculate the total amount by adding the simple interest to the principal. The demonstration includes both the code development and the program's execution, showing the user interface and the final output. This progression illustrates the fundamental concepts of input/output operations, variable declaration, and arithmetic calculations in C++.