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- <h2>Time Value of Money</h2>
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- <p>This screen lets you calculate the time value of money, i.e.
- given an initial amount, an interest rate, and an amount of time,
- you can calculate how much money will result. You can also do
- what-if scenarios; for example, given a desired amount, how much
- do you need to invest now.</p>
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- <p><strong>Example: </strong>If you invest $10,000 at 5% for 10
- years, how much money will you have? Enter <strong>5</strong>,
- then press the <strong>Annual Rate</strong> button. Enter <strong>10000</strong>,
- then press the <strong>Principal</strong> button. Enter <strong>10</strong>,
- then tap the <strong>Years</strong> button. Now, press the <strong>?</strong>
- button to the right of the <strong>Future Value</strong> button.
- The value next to <strong>Future Value</strong> shows you'll have
- $16288.95</p>
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- <p><strong>Example: </strong>Given the above example, how much do
- you need to put away now to get $20,000 in 10 years, at 5%? Enter
- <strong>20000</strong>, then tap the <strong>Future Value</strong>
- button. Now tap the <strong>?</strong> button to the right of the
- <strong>Principal</strong> button, and you'll see you need to
- invest $12278.27.</p>
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- <p><strong>Example: </strong>How long will it take to turn
- $10,000 into $20,000 at 5%? Enter <strong>10000, </strong>then
- press the <strong>Principal</strong> button. Now press the <strong>?</strong>
- button to the right of the <strong>Years</strong> button, and
- you'll see it will take 14.21 years to double your money at 5%.</p>
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- <p><strong>Notes for this screen:</strong> The interest rate
- compounds annually.</p>
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