HP 20B manual Business Problems, Percent Calculation Menu

Business Problems

8 Business Problems

Figure 1 The Menu Map for the Percent Calculation (%calc) Menu

The Percent Calculation Menu

Press :#to open the menu. There are four items in this menu: markup as a percentage of cost (Mkup. %C ), markup as a percentage of price (Mkup. %P ), part as a percentage of total (Part%Tot. ), and percent change (%Change ). These items allow you to access sub-menus. Press <or >repeatedly to scroll to the desired sub-menu, then press I to open it. See Figure 1.

To change the value of a displayed item, key in a number and press I. Once you have entered all known data, press

<or >repeatedly to scroll to the unknown item and press =to calculate it.

To return to the percent calculation menu, from anywhere within the menu or sub-menus, press :#.

To exit the menu, press O

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