Calculation formula:

Principal = interest/interest rate/time, interest = principal * annual interest rate * deposit period.

Interest calculation is a basic calculation method for calculating bank deposit interest, loan interest, etc.

Savings deposit interest rates are uniformly stipulated by the state. Interest rate, also known as interest rate, is the ratio of interest to principal within a certain date. It is generally divided into three types: annual interest rate, monthly interest rate, and daily interest rate.

Interest is the fee for using currency within a certain period of time. It refers to the remuneration that currency holders receive from borrowers for lending currency or currency capital.

Interest rates can generally be divided into annual interest rates, monthly interest rates and daily interest rates. The tax rate is the proportion or amount of tax levied based on the tax calculation basis. The fixed nature of taxation is reflected in tax rates. The tax rate is the core element of the tax system and the measure for calculating the amount of tax payable. Under the premise that the tax calculation basis has been determined, the amount of state taxation and the level of taxpayers' burden depend on the tax rate. The state's tax policy for a certain period is also reflected in the tax rate. Designing tax rates scientifically and rationally is the key to correctly handling the distribution relationship between the country, enterprises and individuals and giving full play to the regulatory role of taxation. There are usually three main forms of tax rates: the first is a collection ratio specified in the form of a relative amount, that is, the proportional tax rate and the progressive tax rate, which are applicable to ad valorem taxes; the second is a fixed tax amount specified in the form of an absolute amount , that is, a fixed tax rate (also known as a tax standard), which is applicable to taxes levied on a quantitative basis; the third is a compound tax rate, which is a tax rate that combines a fixed tax rate and a proportional tax rate. According to the tax burden, tax rates can also be divided into nominal tax rates and actual tax rates, average tax rates and marginal tax rates. The meaning of principal

If it is a bank deposit, the principal is the amount you deposit, and the interest is the number obtained by multiplying the deposited amount by the interest rate multiplied by the deposit date. The sum of principal and interest = principal + interest; if you refer to The principal is the principal of doing business, which is your investment; the principal in accounting can also refer to the capital (the total investment of the investor). Interest is a certain price paid by the borrower to the lender for obtaining the right to use monetary funds, or a certain reward that the currency owner receives from the borrower for temporarily transferring the right to use monetary funds. Interest is the price for borrowing money or the reward for lending money. In fact, it is the price of borrowing funds. The level of interest is expressed through the interest rate. The interest rate refers to the ratio between the amount of interest and the amount of borrowed money or savings deposits within a certain period of time.