贷款计算器提前还款省多少利息

How Does a Loan Calculator Compute Monthly Payments and Total Interest?

Using a loan calculator with the parameters filled in, calculate monthly payments and total interest in three steps, understand the difference between equal principal and interest and equal principal, identify why results differ from bank statements, and estimate how much interest early repayment can save. The entire process runs locally in the browser, with no installation or registration required.