HP 35s scientific calculator user's guide H Edition 1 HP part number F2215AA-90001 Notice REGISTER YOUR PRODUCT AT: www.register.hp.com THIS MANUAL AND ANY EXAMPLES CONTAINED HEREIN ARE PROVIDED “AS IS” AND ARE SUBJECT TO CHANGE WITHOUT NOTICE. HEWLETT-PACKARD COMPANY MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MANUAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, NON- INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. HEWLETT-PACKARD CO. SHALL NOT BE LIABLE FOR ANY ERRORS OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING, PERFORMANCE, OR USE OF THIS MANUAL OR THE EXAMPLES CONTAINED HEREIN. © 1988, 1990-1991, 2003, 2007 Hewlett-Packard Development Company, L.P. Reproduction, adaptation, or translation of this manual is prohibited without prior written permission of Hewlett-Packard Company, except as allowed under the copyright laws. Hewlett-Packard Company 16399 West Bernardo Drive MS 8-600 San Diego, CA 92127-1899 USA Printing History Edition 1 February 2007 Contents Part 1. Basic Operation 1. Getting Started............................................................1-1 Important Preliminaries............................................................. 1-1 Turning the Calculator On and Off ....................................... 1-1 Adjusting Display Contrast................................................... 1-1 Highlights of the Keyboard and Display ..................................... 1-2 Shifted Keys....................................................................... 1-2 Alpha Keys ........................................................................ 1-3 Cursor Keys ....................................................................... 1-3 Backspacing and Clearing................................................... 1-4 Using Menus...................................................................... 1-6 Exiting Menus .................................................................... 1-8 RPN and ALG Modes.......................................................... 1-9 Undo key......................................................................... 1-11 The Display and Annunciators.................................................1-12 Keying in Numbers................................................................ 1-15 Making Numbers Negative................................................ 1-15 Exponents of Ten .............................................................. 1-15 Understanding Entry Cursor ............................................... 1-17 Range of Numbers and OVERFLOW................................... 1-17 Performing Arithmetic Calculations........................................... 1-18 Single Argument or Unary Operations................................. 1-18 Two Argument or Binary Operations ................................... 1-19 Controlling the Display Format ................................................ 1-21 Periods and Commas in Numbers () () .......................... 1-23 Contents 1 Complex number display format (, , ·‚)....................1-24 SHOWing Full 12–Digit Precision .......................................1-25 Fractions ...............................................................................1-26 Entering Fractions..............................................................1-26 Messages..............................................................................1-27 Calculator Memory ................................................................1-28 Checking Available Memory ..............................................1-28 Clearing All of Memory .....................................................1-29 2. RPN: The Automatic Memory Stack ..............................2-1 What the Stack Is.....................................................................2-1 The X and Y–Registers are in the Display................................2-3 Clearing the X–Register........................................................2-3 Reviewing the Stack ............................................................2-3 Exchanging the X– and Y–Registers in the Stack......................2-4 Arithmetic – How the Stack Does It.............................................2-5 How ENTER Works .............................................................2-6 How to Clear the Stack ........................................................2-7 The LAST X Register..................................................................2-8 Correcting Mistakes with LAST X ..........................................2-9 Reusing Numbers with LAST X ............................................2-10 Chain Calculations in RPN Mode.............................................2-12 Work from the Parentheses Out ..........................................2-12 Exercises..........................................................................2-14 Order of Calculation .........................................................2-14 More Exercises .................................................................2-16 3. Storing Data into Variables .........................................3-1 Storing and Recalling Numbers .................................................3-2 Viewing a Variable .................................................................3-4 2 Contents Using the MEM Catalog ........................................................... 3-4 The VAR catalog................................................................. 3-4 Arithmetic with Stored Variables................................................ 3-6 Storage Arithmetic .............................................................. 3-6 Recall Arithmetic................................................................. 3-7 Exchanging x with Any Variable ............................................... 3-8 The Variables "I" and "J".......................................................... 3-9 4. Real–Number Functions...............................................4-1 Exponential and Logarithmic Functions ....................................... 4-1 Quotient and Remainder of Division........................................... 4-2 Power Functions ...................................................................... 4-2 Trigonometry........................................................................... 4-3 Entering π.......................................................................... 4-3 Setting the Angular Mode.................................................... 4-4 Trigonometric Functions ....................................................... 4-4 Hyperbolic Functions................................................................ 4-6 Percentage Functions ............................................................... 4-6 Physics Constants .................................................................... 4-8 Conversion Functions ............................................................. 4-10 Rectangular/Polar Conversions .......................................... 4-10 Time Conversions ............................................................. 4-13 Angle Conversions............................................................ 4-13 Unit Conversions .............................................................. 4-14 Probability Functions .............................................................. 4-15 Factorial .......................................................................... 4-15 Gamma........................................................................... 4-15 Probability ....................................................................... 4-15 Parts of Numbers................................................................... 4-16 Contents 3 5. Fractions.....................................................................5-1 Entering Fractions ....................................................................5-1 Fractions in the Display.............................................................5-2 Display Rules ......................................................................5-2 Accuracy Indicators.............................................................5-3 Changing the Fraction Display...................................................5-4 Setting the Maximum Denominator ........................................5-4 Choosing a Fraction Format .................................................5-6 Examples of Fraction Displays...............................................5-8 Rounding Fractions...................................................................5-8 Fractions in Equations...............................................................5-9 Fractions in Programs .............................................................5-10 6. Entering and Evaluating Equations ...............................6-1 How You Can Use Equations.....................................................6-1 Summary of Equation Operations...............................................6-3 Entering Equations into the Equation List......................................6-4 Variables in Equations .........................................................6-4 Numbers in Equations..........................................................6-5 Functions in Equations .........................................................6-5 Parentheses in Equations ......................................................6-6 Displaying and Selecting Equations............................................6-6 Editing and Clearing Equations..................................................6-8 Types of Equations