2025-01-16 00:00:00 Calculation Butler is a practical housing loan calculation tool that can help you calculate your housing loan, deed tax, and evaluate the value of your property. It is very easy to use, and users only need to input some basic information to obtain accurate calculation results, which can help you solve various calculation difficulties in purchasing a house.. The main functions include: 1. Loan calculation: Users can input information such as the purchase price, down payment ratio, loan term, and interest rate of the house to obtain detailed loan information such as monthly repayment amount and total repayment amount. 2. Calculation of deed tax: Users can input the purchase price and location of the house to obtain detailed calculation results of deed tax. 3. Purchase evaluation: Users can input basic information about the property to obtain its market value and valuation report.