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Unformatted text preview: then the "show your work" requirement is met if you simply write down which number you entered into which of the TVM keys. Example: N = 2, PV = 100, FV = 121, compute I/Y = 10%. Even on the problems that require you to write out the equations and use the yx key, you are welcome to check your answer on your own using the TVM keys. Take care to make your paper neat, legible and businesslike. Points may be deducted if your assignment is illegible, disorganized or if you have more than one sheet and they're not stapled. In general, approach these problems by first clearing your calculator, and then asking yourself, "What am I being asked to solve for?" It helps in setting up the problem if you know whether you are trying to solve for N, or I/Y (that is, the rate of return), or PV or FV....
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 Spring '11
 Donahue

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