It is necessary to know what compound interest is before we can understand how to use a compound interest calculator. When you are borrowing money from the bank you are obliged to pay charges according to the bank’s policies. It is actually the fee charged for the service of lending you the money; it is a fixed percentage that is charged on the principal, amount that is borrowed, for a time period, usually a year. This kind of interest appears when principal is added up by it, making the added interest to earn money on itself as well. This adding of current charges to the original principal amount plus the previous charges on principal is called compounding. Take for example a bank account must be having its accumulated charges every year: in such a situation, an account of amount $1000 initial principal with 20% charges each year would make a balance of amount $1200 when the first year ends, $1440 when the second year ends and so on it continues.
If you wish to know how much of this money can you earn on your investment in the bank, that is in the form of savings, or you need to know how much amount you will have to pay more on the cost of principal amount you have borrowed, it will be important for you to understand how this calculation system works.
This term can also be compared with simple interest. When these charges are not added to the principal (no accumulation is taking place). Term compound interest is standard in economics and finance, and latter is used less frequently (although this may be contained in certain financial products).
This kind of calculator calculates the charges or the fee that is payable on the original amount plus the accumulated fee of the past.
The formula that calculates it for a year looks like this: A=p (1+r) n
In this case, p stands for the principal amount you have deposited or borrowed refers to the rate of annual charges indicates the years the amount is deposited or borrowed for. A becomes the total sum of money accumulated after the n number of years, including the total charges.
However if you are borrowing for five years the formula would look like: A = P (1 + r)5
The above formula applies to both the situations, when you have deposited or borrowed money.
Compound interest calculation becomes complex when these charges is paid more frequently.
An online available calculator is available to make the calculation of this easier. Whether you are lending or borrowing money, this calculator helps you determine easily how much needs to be paid and is accumulated over time. It’s very easy to use this calculator. When you provide the rate of your savings and the calculated frequency of compounding interest (that may be quarterly, monthly etc.), your calculator will quickly give you the yearly payable rate. Have an easy way of calculation!
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