HP 20B manual One-Number Functions and the Math Menu, RPN Stack and the Roll Down Operation

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Mathematical Calculations

Figure 6 The RPN Stack and the Roll Down Operation

Pressing )performs a swap. A swap operation exchanges the numbers on Levels 1 and 2 of the stack. The )key has a small symbol on it as a reminder of the swap feature. With the numbers entered into the stack shown in the left column in Figure 7, pressing )performs a swap to the stack as shown in the right column.

Figure 7 The RPN Stack and the Swap Operation

Note: when no menu is selected, the <key performs the same function as the (key. The >key performs the inverse operation called, roll up.

One-Number Functions and the Math Menu

The key presses for the one-number mathematical functions listed in Table 2-4 below apply to all modes, Chain, Algebraic, and RPN. To execute one-number functions, with a number displayed, press the key or key combination corresponding to the operation you wish to execute. The result is displayed on the bottom line.

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Contents HP 20b Business Consultant Financial Calculator Manual HP part number F2219-90201 First edition AugustLegal Notices Legal NoticesRevision History Revision HistoryContents Cash Flows Business ProblemsTime Value of Money BondsWarranty, Regulatory, and Contact Information ErrorsIndex HP 20b Business Consultant Keyboard FeatureFeature Chapters Keyboard Map LegendBasic Features Basic FeaturesAdjusting the Display Contrast Selecting a LanguageMode Menu Setting Preferences Two Line DisplayBasic Features 1Mode Menu Settings Setting top line DescriptionChanging the Calculation Mode Keys Display DescriptionKey Presses and the Secondary Function Key AnnunciatorsI Key Using the I and = Keys= Key Editing and Clearing Entries On/CE O Key Reset x MenuMemory and the Memory Menu Accessing Menus and Menu Maps Menu Map for the Break-even Menu Mathematical Functions Mathematical CalculationsNumber Entry and Display Chain Mode Algebraic ModeReverse Polish Notation RPN Mode RPN StackU3I Last NumberO1c23 I56c1 Mathematical Calculations 2Last Number 3I4+5I6+ RPN StackKeys Display Description RPN Stack One-Number Functions and the Math Menu RPN Stack and the Roll Down OperationMath s Menu Keys DescriptionMenu Map for the Math Menu Mathematical Calculations 5Math Menu Example Probability Sub-menuIor = 10I 12I Two-Number Functions10I 7Inverse Probability ExampleStoring and Recalling Numbers Recalling a Menu Item Value in a Menu Recall ArithmeticStoring and Recalling with Time Value of Money TVM Keys Rounding NumbersPage Time Value of Money Time Value of Money TVM KeysTime Value of Money 00V 360 N1400 Calculating Payments on a LoanTime Value of Money 2TVM Example AmortizationMenu Item/Key Description 1400 00V 10YCreating an Amortization Schedule Using the Interest Conversion Menu Interest Conversion Menu365 Canadian Mortgages TVM CanadaTime Value of Money 6Interest Rate Conversion Example Page O300N 6Y350 00V Canadian Mortgage ExampleCash Flow Diagram Cash FlowsKey Description Cash Flow ExampleCash Flow Amount 4500I 80005000I 4000IAnalyzing Cash Flows 115000Cash Flows 2Cash Flow Example NPV and IRR Menu Items IRR%Editing Cash Flows Cash Flows 4NPV and IRR ExampleSample Cash Flow Diagrams Bonds Bond MenuBond Calculation Example 20102020 Bond Menu Items+L1= Bonds 2Bond Calculation ExampleDate Calculation Menu Date CalculationDate Calculation Example 10.3 12010 Date Calculation 1Date Calculation ExampleBreak-even Break-even MenuBreak-even 1Break-even Example Business Problems Percent Calculation Menu20I 15I22I 35I80I What is 30% of 80? 4Part % of Total Example30I Depreciation Depreciation Menu2Depreciation Menu Items 1Depreciation MethodsDepreciation Method Description Sline Depreciation Example 1000500 Depreciation Menu ItemsDepreciation 3Straight Line Depreciation Example Statistical Operations Menu Maps for the Data and Statistics MenusData and Stats Menus Statistical Operations 1The Statistics Menu Items Menu Item Description3I1 60I 1I1 50I2I1 65I 4I1 75I5I1 70I Statistical Operations 3Statistics ExampleError Messages and Calculator Status Errors1Error Messages Error Message Status HP Limited Hardware Warranty and Customer Care Warranty, Regulatory, and Contact InformationReplacing the Batteries Customer Care +65 6100 210 969Honduras Hong Kong 香港特別行政區 852 India Ireland 01 605 Italia 02 754 1901 439 877 232495 228 Singapore 6100Canadian Notice Product Regulatory & Environment InformationModifications Avis CanadienChemical Substances Pbde Index Calendar Actual, Cal.360Off calculator off