# Financial Calculators

An EMI calculator is a tool that calculates the monthly instalment amount (EMI) that a borrower needs to pay to repay a loan.
Q: What is an EMI calculator?
A: An EMI (Equated Monthly Installment) calculator is a tool used to estimate the monthly installment amount that needs to be paid towards a loan, typically consisting of principal amount and interest, over a specific loan tenure.

Q: How does an EMI calculator work?
A: An EMI calculator takes inputs such as the loan amount, interest rate, and loan tenure. It uses a mathematical formula to calculate the monthly installment amount by considering the principal, interest rate, and loan tenure.

Q: What information is required to use an EMI calculator?
A: To use an EMI calculator, you need to provide the loan amount, interest rate, and loan tenure (in months or years). These inputs help in determining the monthly installment amount.

Q: What does the provided code for the EMI calculator do?
A: The provided code implements an EMI calculator in a web application using HTML, CSS, and JavaScript. It includes form fields to enter the loan amount, interest rate, and loan tenure. Upon submitting the form, the JavaScript code performs the necessary calculations and displays the calculated EMI, total interest payable, and total payment (principal + interest).

Q: How does the code handle the loan tenure in months or years?
A: The code includes a dropdown menu with options to select the tenure unit as either "months" or "years." Based on the selected option, the JavaScript code adjusts the loan tenure value accordingly. If "years" is selected, the tenure value is multiplied by 12 to convert it into months before performing the EMI calculation.

Q: Can the EMI calculator handle different interest rates or currencies?
A: Yes, the EMI calculator can handle different interest rates. The interest rate is entered as a percentage, and the code uses it in the EMI calculation. The code also supports displaying the result in a specific currency (INR in this case) by appending the currency symbol to the calculated values.

Q: What happens if a required input field is left empty?
A: The code includes validation checks to ensure that the loan amount, interest rate, and loan tenure fields are not left empty. If any of these fields are empty when submitting the form, an error message is displayed, prompting the user to enter the missing information.

Q: Can the EMI calculator handle decimal values for inputs?
A: Yes, the EMI calculator can handle decimal values for the loan amount, interest rate, and loan tenure. The JavaScript code uses appropriate data types and conversion methods to perform accurate calculations and display the results with two decimal places.

Q: Is the EMI calculator providing accurate results?
A: The EMI calculator in the provided code follows the standard formula for EMI calculation. However, the accuracy of the results may depend on various factors, including the formula used, rounding methods, and the terms and conditions of the specific loan provider. It is always advisable to cross-verify the results with other sources or consult with financial professionals for precise calculations.