You can also compute compound interest or perform

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Unformatted text preview: or cost-sell-markup calculations, you can enter values for two of the three variables (OLD, NEW, and %CH) and compute a value for the unknown variable. OLD = cost, NEW = selling price, and %CH = percent markup. (Leave the value for #PD as 1.) Chapter 7: Using Other Worksheets 57 Procedure: Computing Percent Change, Compound Interest, or Cost-Sell-Markup 1. Press to select the worksheet. OLD is displayed, along with the previous value. 2. Press to clear the worksheet. 3. Enter the known values: Percent Change – To compute percent change, enter values for two of the three variables: OLD, NEW, and %CH. (Leave #PD set to 1.) For example, to compute %CH, enter values for OLD and NEW. Compound Interest – To compute compound interest, enter values for three of the four variables. For example, to compute NEW (future value), enter values for OLD (present value), %CH (percent interest), and #PD (number of periods). Cost-Sell-Markup – To compute cost-sell-markup, enter values for two of the three variables: OLD, NEW, and %CH. (Leave #PD set to 1.) For example, to compute %CH (percent markup), enter values for OLD (cost) and NEW (selling price). To enter values for the known variables, press or until the variable label you want is displayed. Then key in a value and press . 4. Compute a value for the unknown variable. Press . or until the variable label you want is displayed. Then press The calculator computes and displays the value. Example: Percent Change First, determine the percentage change from a forecast amount of $658 to an actual amount of $700. Then determine what the new amount would be if it were 7% below the original forecast. Procedure Keystrokes Display Select Percent Change/Compound Interest worksheet. OLD (old contents) Clear worksheet. OLD = 0.00 OLD = 658.00€ NEW = 700.00€ Enter original forecast amount. Enter actual amount. 58 658 700 Chapter 7: Using Other Worksheets Procedure Keystrokes Compute percent change. Enter 7 as percent change. Display %CH = %CH = 7 Compute new actual amount. 6....
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