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# Annuity calculator

The calculator can solve annuity problems for any unknown variable (interest rate, time, initial deposit, or regular deposit). It will also generate a detailed explanation of how the calculations were done. The calculator computes the present and future value of an annuity.

Annuity calculator - present value
how much money is required now to support a sequence of future payments
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How much money must you deposit now at 4% interest in order to withdraw $800 at the end of each month for the next two years? Suppose you deposited$50,000 into a bank account in order to withdraw $600 per month for 10 years. Find the interest rate? Suppose you deposited$50 000 into a bank account at 6% annual interest rate. How many years you can withdraw $2000 at the end of each year. If you deposit$50,000 into a bank account, how much will each monthly payment be over 5 years if the rate of interest is 7% annually.
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Annuity Calculator - future value
how much money do you need at this moment to cover a sequence of future payments
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If you plan to save $100 annually for 5 years and the annual interest rate of 12%, what is the future value? If you need$30 000 in 10 years and you get an interest rate of 9%, how much must you invest each of the next ten years? If you want to buy a car in 5 years that costs $2,000 and you can save$350 per year, what interest rate would you need? How long would it take you to save $50000 if you invested$2000 per year, and the interest rate is 8%?
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Examples
example 1:ex 1:
A deposit of $120 is placed into an account at the beginning of every month for 8 years. The bank pays 7% annual interest rate, compounded monthly, and paid at the end of the month. How much is in the account after the last deposit? example 2:ex 2: How much money must you deposit now at 4% interest in order to withdraw$800 at the end of each year for the next three years?
example 3:ex 3:
Assume you deposit \$50000 in a bank account having a 6% annual interest rate. How long can you withdraw \$300 at the end of each month?
example 4:ex 4:
If you need \$30 000 in 10 years and you get an interest rate of 5%, how much must you invest each of the next 10 years?
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