HP 33s Scientific manuals
Computer Equipment > Calculator
When we buy new device such as HP 33s Scientific we often through away most of the documentation but the warranty.
Very often issues with HP 33s Scientific begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
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387 pages 2.63 Mb
1 user's guide2 Notice3 1. Getting Started4 2. RPN: The Automatic Memory Stack5 3. Storing Data into Variables4. Real–NumberFunctions 6 5. Fractions6.Entering and Evaluating Equations 7 Solving EquationsIntegrating Equations 9.Operations with Complex Numbers 8 10. Base Conversions and Arithmetic11. Statistical Operations 12.Simple Programming 10 13. Programming Techniques14. Solving and Integrating Programs 11 15. Mathematics Programs16. Statistics Programs 17. Miscellaneous Programs and Equations A. Support, Batteries, and Service B. User Memory and the Stack 12 C. ALG: SummaryD. More about Solving 13 E. More about IntegrationF. Messages G. Operation Index Index 15 Basic Operation17 Getting Started41 RPN: The AutomaticMemory Stack 57 Storing Data into Variables65 Real–NumberFunctions83 Fractions93 Entering and Evaluating Equations111 Solving EquationsIf the displayed value is the one you want, press g If you want a different value, type or calculate the value and press You can halt a running calculation by pressing or g Example: Solving the Equation of Linear Motion The equation of motion for a free–fallingobject is: d = v0 t + 1/2 g t Type in the equation: {c{} {&} Clears memory or current equation 112 LD |dLVzLT /#º!-¾ .5 zLG zLT #º!-)ºº!:_ 7–2 Solving Equations 7–2 113 7–3Example: Solving the Ideal Gas Law Equation P ⋅ V = N ⋅ R ⋅ T Enter the equation: 114 |HLP zLV |d LN z LR zLT º#/º º!¾ º#/º º! the equation 2 g .005 g Stores .005 in N; prompts for R .0821 g Stores .0821 in R; prompts for T 24 273.1 Calculates T (Kelvins) 7–4 Solving Equations 7–4 LV q 115 Understanding and Controlling SOLVE123 Integrating EquationsI = ≥ab f (x) dx 124 Integrating Equations ( ≥ FN)To integrate an equation: lower Display the equation: Press Select the variable of integration: Press variable uses far more memory than any other operation in the calculator. If executing causes a & " message, refer to appendix B much uncertainty To integrate the same equation with different information: Example: Bessel Function The Bessel function of the first kind of order 0 can be expressed as J0 (x) = π1 ≥0π cos(x sin t )dt8–2 Integrating Equations 8–2 125 RLX|Nq≥0π f (t )Integrating Equations 8–3 8–3 sin 126 sinxThe current equation or ! ! OLX1%¾ 1%2¾ required in this case qLX1%2ª%¾ 1%2ª% Terminates the equation 0 2 _ |XSelects Radians mode Enters limits of integration (lower first) 127 Accuracy of Integration131 Operations withComplex NumbersComplex function (displayed) imaginary part real part Complex input Complex result, z z or z1and z2 132 Complex OperationsTo do an operation with one complex number: 9–2 Operations with Complex Numbers 9–2Functions for One Complex Number, z 133 {G^{G {G {GO {GR {GUTo do an arithmetic operation with two complex numbers: Arithmetic With Two Complex Numbers, z1 and z2 {G {Gz {Gq 9–3 134 {GO1 2 ^ 3 ^4 { {G {Gz 2 5 ^9–4 Operations with Complex Numbers 9–4 3 {Gz 135 Using Complex Numbers in Polar Notation9–5Example: Vector Addition 9–6 Operations with Complex Numbers 136 9–6137 9–7 139 Base Conversions and Arithmetic145 Statistical Operations157 Programming159 Simple Programming185 Programming Techniques211 Solving and Integrating Programsunknown separate every 3.Enter the instructions to evaluate the function Example: Program Using ALG P x V= N x R x T P= Pressure (atmospheres or N/m2). V = Volume (liters) N = Number of moles of gas 14–2 Solving and Integrating Programs 212 14–2213 {e14–3 214 |WGExample: Program Using Equation {H LP z LV | LN z LR z14–4 Solving and Integrating Programs 14–4 215 |WHg@ g @ g!@ 10 !@ ) g # Selects variable P; prompts for Retains 2 in V; prompts for N Retains .005 in N; prompts for R Retains .0821 in R; prompts for T Calculates new T Stores 287.1 in T; solves for new P Solving and Integrating Programs 14–5 14–5 216 Using SOLVE in a ProgramExample: SOLVE in a Program 14–6 Solving and Integrating Programs 14–6Program Lines: (In RPN mode) Checksum and length: #1L2 #$1L2 Setup for Index for Branches to main routine Setup for Y Index for Y Main routine Stores index in Defines program to solve Solves for appropriate variable Displays solution Calculates f (x,y). Include INPUT or equation prompting as required 217 Integrating a ProgramTo integrate a programmed function: Solving and Integrating Programs 14–7 14–7 218 | WTo write a program for ≥ FN: 14–8 Solving and Integrating Programs 14–8 ≥ G variable Example: ≥ FN in a Program 1 D S 2π ≥ M dD Q(D) % / ≥ G Recalls lower limit of integration Recalls upper limit of integration. (X = D.) Specifies the function Integrates the normal function using the dummy variable D 14–10 Solving and Integrating Programs 220 14–10221 Restrictions on Solving and Integratingwill result in an ≥ 1 ≥ 2 error. Also, SOLVE and contains an /label instruction; if attempted a # !# or ≥ !# error will be returned. SOLVE cannot call a routine that contains an FN instruction (produces a #1 1 #2 The SOLVE and ≥ FN operations automatically set Decimal display format Solving and Integrating Programs 14–11 14–11 223 Mathematics Programsv1 = X i + Y j + Z k and v2=U i + V j + W k 15–2 Mathematics Programs 224 15–215–4 Mathematics Programs 226 15–4Mathematics Programs 15–5 227 15–515–6 Mathematics Programs 228 15–6Program Lines: (In ALG mode) Flags Used: Remarks: Program Instructions: Mathematics Programs 15–7 229 15–7Variables Used: Example 1: 15–8 Mathematics Programs 230 15–8N (y) Transmitter Antenna E (x) 231 XR^g g !@Example 2: Mathematics Programs 15–9 15–915–10 Mathematics Programs 232 15–10Enters resultant vector 1.07g !@ ) 125 g 63 g g @ g&@ g'@ Sets R equal to Calculates cross product and displays R of result Displays T of cross product Displays P of cross product Displays rectangular form of cross product XP @ ) 1 g !@ ) Defines the radius as one unit vector Mathematics Programs 15–11 233 15–11234 Solutions of Simultaneous Equations15–12 Mathematics Programs 15–12Mathematics Programs 15–13 235 15–1315–14 Mathematics Programs 236 15–14Mathematics Programs 15–15 237 15–15Checksum and length: 7F00 º65¸ L L L º1L2 This routine multiples and adds values within a row. Gets next column value Sets index value to point to next row value ! - L Gets result back ! 1L2 Stores result #$1L2 Displays result Returns to the calling program or to . Checksum and length: DFF4 ! L º1L2 % % Sets index value to display , or based on input row row 15–16 Mathematics Programs 238 15–16Mathematics Programs 15–17 239 15–1715–18 Mathematics Programs 240 15–18Mathematics Programs 15–19 241 15–19g@ g@ ) g@ Inverts inverse to produce original matrix Begins review of inverted matrix Displays next value, ...... and so on 242 Polynomial Root FinderFor this program, a general polynomial has the form xn + an–1xn–1 + ... + a1x + a0 y3 + b2y2 + b1y + b0 where b2 = – a2 15–20 Mathematics Programs 15–20J2 − a + y K 2 − aMathematics Programs 15–21 243 15–2115–22 Mathematics Programs 244 15–22 ª Gets synthetic division coefficients for next lower order polynomial Generates DIVIDE BY 0 error if no real root found. Checksum and length: 15FE Starts quadratic solution routine. Exchanges a0 and a1 a1/2 –a1/2 Saves – a1/2 Stores real part if complex root. (a1/2)2 a0 (a1/2)2 – ao. Initializes flag 0. Discriminant (d) Sets flag 0 if d < 0 (complex roots) Stores imaginary part if complex root. Complex roots Returns if complex roots Calculates – a1/2 Mathematics Programs 15–23 245 15–2315–24 Mathematics Programs 246 15–24Mathematics Programs 15–25 247 15–2515–26 Mathematics Programs 248 15–26 ! ! ª º Stores 1 or JK – a1/2 Calculates sign of C J2 -– a2 J2 -–a2 +y0 C Stores C with proper sign J + L K + M Calculate and display two roots of the fourth–orderpolynomial J – L K – M Checksum and length: 539D Checksum and length: 410A Starts routine to display two real roots or two complex roots Displays real root or real part of complex root Gets the second real root or imaginary part of complex root Were there any complex roots Mathematics Programs 15–27 249 15–27" " " ! L " #$ L " #$ % " L " ! L " #$ L Displays complex roots if any Stores second real root Displays second real root Returns to calling routine Checksum and length: 96DA Starts routine to display complex roots Checksum and length: 748D The order and the coefficients are not preserved by the program 15–28 Mathematics Programs 250 15–281.Press {c{} to clear all programs and variables 2.Key in the program routines; press when done 3.Press XP to start the polynomial root finder 4.Key in F, the order of the polynomial, and press g At each prompt, key in the coefficient and press Terms and Coefficients Order imaginary part 8.For a new polynomial, go to step Mathematics Programs 15–29 251 15–2915–30 Mathematics Programs 252 15–30Mathematics Programs 15–31 253 15–31Example 3: Find the roots of the following quadratic polynomial: x2 + x – 6 1 g 6 ^g Stores 2 in F; prompts for B Stores 1 in B; prompts for A Stores –6in A; calculates the first root 254 Coordinate TransformationsThis program provides two–dimensionalcoordinate translation and rotation u= (x – m) cosθ + (y – n) sinθ v = (y – n) cos θ –(x – m) sinθ The inverse transformation is accomplished with the formulas below x= u cosθ – v sinθ + m y = u sinθ + v cosθ + n 15–32 Mathematics Programs 15–32 255 15–3315–34 Mathematics Programs 256 15–34¸8º %º ! % º65¸ ! & º65¸ #$ % #$ & ! Pushes up results and recalls M Completes calculation by adding M and N to previous results Checksum and length: 8C82 3.Key in the x–coordinateof the origin of the new system M and press g 4.Key in the y–coordinateof the origin of the new system N and press g 5.Key in the rotation angle T and press g Mathematics Programs 15–35 257 15–35Remark: 15–36 Mathematics Programs 258 15–36Mathematics Programs 15–37 259 15–3715–38 Mathematics Programs 260 15–38261 Statistics Programs262 y = Be Mxy = B + Mx y = BxM y = B + MIn Checksum and length: E3F5 Checksum and length: F78E Checksum and length: 293B Sets flag 0, the indicator for ln X. Sets flag 1, the indicator for ln Y Checksum and length: 43AA ' ! L Defines common entry point for all models. Clears the statistics registers Stores the index value in i for indirect addressing Statistics Programs 16–3 263 16–3264 16–4Stores b in B Displays value Calculates coefficient m Stores m in M Stores yˆ –valuein Y ! - L & % 1L2 in X for next loop Loops for another estimate Checksum and length: 9B34 º % Calculates yˆ = MX + B Checksum and length: F321 ! . L Restores index value to its original value Calculates xˆ =(Y – B) ⎟ M ª Checksum and length: 65AB Statistics Programs 16–5 265 16–5266 16–6Program instructions: Statistics Programs 16–7 267 16–7268 16–8269 16–916–10 Statistics Programs 270 16–10271 Q(x) = 0.5 − σ 12π ≥xx e−((x −x )⎟σ )2 ⎟2dxThis routine initializes the normal distribution program Stores default value for mean Prompts for and stores mean, M Stores default value for standard deviation Checksum and length: D72F Stores value in Q so VIEW function can display it. Displays Q(X) Loops to calculate another Q(X) Checksum and length: EA54 Stores the mean as the guess for X, called Xguess. Checksum and length: 79B9 Calculates the derivative at Xguess Calculates the correction for Xguess 16–12 Statistics Programs 272 16–12! ! - % ! ! ) ! º6¸@ ! ! ! Adds the correction to yield a new Xguess Loops to calculate another Checksum and length: 0E12 % / ≥ G π º º º ! ! ª -+. ) - Recalls the upper limit of integration Calculates S ⋅ 2π Stores result temporarily for inverse routine Checksum and length: FA83 function Statistics Programs 16–13 273 16–1316–14 Statistics Programs 274 16–146.To calculate Q(X) given X, XD After the prompt, key in the value of 9.To calculate X given Q(X), press DDummy variable of integration MPopulation mean, default value zero QProbability corresponding to the upper–tailarea SPopulation standard deviation, default value of Variable used temporarily to pass the value S ⋅ 2π to the inverse program XInput value that defines the left side of the upper–tailarea XS@ ) g@ g) Starts the initialization routine Accepts the default value of zero for M Accepts the default value of 1 for S Statistics Programs 16–15 275 16–1516–16 Statistics Programs 276 16–16277 Grouped Standard Deviation( ƒ x f )2 ) −Statistics Programs 16–17 16–1716–18 Statistics Programs 278 16–18Statistics Programs 16–19 279 16–1916–20 Statistics Programs 280 16–20Group Statistics Programs 16–21 281 16–2116–22 Statistics Programs 282 16–22283 Time Value of MoneyThe TVM equation is: + F(1+ (I 100))−N + BBalance, B Payments, P Future Value, F Miscellaneous Programs and Equations 17–1 17–1 284 z|]1|]1 LN |` qLI LF z |]1 LI LB17–2 Miscellaneous Programs and Equations 17–2SOLVE instructions: loan Part Miscellaneous Programs and Equations 17–3 285 17–317–4 Miscellaneous Programs and Equations 286 17–4Miscellaneous Programs and Equations 17–5 287 17–524 g .8) Retains P; prompts for Retains 0.56 in I; prompts for N Stores 24 in N; prompts for B 288 Prime Number Generator17–6 Miscellaneous Programs and Equations 17–6Miscellaneous Programs and Equations 17–7 289 17–717–8 Miscellaneous Programs and Equations 290 17–8Miscellaneous Programs and Equations 17–9 291 17–9789 XP after 17–10 Miscellaneous Programs and Equations 292 17–10293 Appendixes and Reference295 Support, Batteriesand ServiceAnswers to Common Questions 296 Environmental LimitsChanging the BatteriesA–2 Support, Batteries, and Service A–2To install batteries: Do not press ON again until the entire battery–changing Support, Batteries, and Service A–3 297 A–3Warning Do not mutilate, puncture, or dispose of batteries in fire. The batteries can burst or explode releasing hazardous chemicals 7.Replace the battery compartment cover 8.Press 298 Testing Calculator OperationThe calculator won't turn on (steps If these steps fail to restore calculator operation, it requires service A–4 Support, Batteries, and Service A–4If the calculator passes the 3.Contact the Calculator Support Department listed on page A–7 299 The Self–Test1.Hold down the key, then press at the same time C4.The self–testproduces one of these two results: The calculator displays . if it passed the self–test.Go to step 5.To exit the self–test,reset the calculator (hold down and press ) Support, Batteries, and Service A–5 A–5 300 WarrantyHP 33s Scientific Calculator; Warranty period: 12 months HP warrants to you, the A–6 Support, Batteries, and Service A–6 301 ServiceEurope Country : Telephone numbers Austria +43-1-3602771203 Belgium +32-2-7126219 Denmark +45-8-2332844 +420-5-41422523 Finland +35-89640009 France +33-1-49939006 Germany +49-69-95307103 Greece Holland +31-2-06545301 Italy +39-02-75419782 Support, Batteries, and Service A–7 A–7Asia Pacific L.America A–8 Support, Batteries, and Service 302 A–8303 Regulatory InformationUSA Canada Support, Batteries, and Service A–9 A–9Japan Noise Declaration A–10 Support, Batteries, and Service 304 A–10 305 User Memory and the Stack306 Resetting the CalculatorB–2 User Memory and the Stack B–2 307 Clearing Memory1.Press and hold down the key 2.Press and hold down Category CLEAR ALL MEMORY CLEAR (Default) Angular mode Unchanged Degrees Base mode Contrast setting Medium Decimal point Denominator (/c value) Display format FIX Flags Cleared Fraction–displaymode Off Random–numberseed Zero Equation pointer EQN LIST TOP Equation list FN = label Null Program pointer PRGM TOP Program memory Stack lift Enabled Stack registers Cleared to zero Variables B–3 308 Disabling OperationsNeutral Operations 310 The Status of the LAST X RegisterB–6 User Memory and the Stack B–6 311 ALG: Summary325 More about Solvingf (x) Function Whose Roots Can Be Found D–2 More about Solving 326 D–2327 Interpreting ResultsIf it finds an estimate for which f(x) equals zero. (See figure a, below.) Cases Where a Root Is Found To obtain additional information about the result, press again to see the Example: An Equation With One Root Find the root of the equation: –2x3 + 4x2 – 6x + 8 Enter the equation as an expression: More about Solving D–3 D–3 328 2 ^z4 z LX 2 6 zLX 8 Example: An Equation with Two Roots D–4 More about Solving D–4 329 D–5Special Case: A Discontinuity and a Pole Example: Discontinuous Function 330 |"LX | D–6 331 x− 1LX q |]LX D–7More about Solving Now, solve to find the root ) _ 8 8 8 ) Your initial guesses for the root 332 When SOLVE Cannot Find a RootD–8Case Where No Root Is Found Example: A Relative Minimum 333 6 zLX D–9 334 b|Example: An Asymptote D–10 More about Solving D–10 335 ^IX^|HExample: Find the root of the equation [x ⎟ (x + 0.3)] − 0.5 #LX q| 5 D–11 336 |XExample: A Local "Flat" Region D–12 More about Solving D–12 a8 ^IX |WJ 337 Round–OffErrorMore about Solving D–13 D–13 338 UnderflowD–14 More about Solving D–14 339 More about Integration349 MessagesF–2 Messages 350 F–2 #1 #2 #1 ≥ 2 the program that you called referred to another label, which does not exist The catalog of programs ( {Y{ } ) indicates no program labels stored # variable) Messages F–3 351 F–3 !12 Attempted to calculate the square root of a negative number Statistics error: Attempted to do a statistics calculation with n Attempted to calculate sx sy, xˆ , yˆ , m, r, or b with n Attempted to calculate xˆ , yˆ , r, m, or b with all x–valuesequal –34,359,738,368 ≤ n ≤34,359,738,367 Self–TestMessages: . n F–4 Messages 352 F–4353 Operation Index373 Index374 Index–2375 program, 1–24, 12–20using, 1–24variable, 1–24, 3–31–17, 9–3checksums equations, 6–18, 12–6, 12–21programs, 12–20 CLEAR menu, 1–6clearing equations, 6–8 clearing memory, A–4, B–3combinations, 4–14 commas (in numbers), 1–18, A–1comparison tests, 13–7complex numbers coordinate systems, 9–5entering, 9–1 on stack, 9–1operations, 9–1, 9–2polynomial roots, 15–20viewing, 9–1 conditional tests, 13–6, 13–7, 13–8, 13–11, 13–17 conversion functions, 4–9conversions coordinates converting, 4–5, 4–9, 15–1transforming, 15–32 correlation coefficient, 11–7, 16–1cosine (trig), 4–4, 9–3 cross product, 15–1cubic equation, 15–20curve fitting, 11–8, 16–1 Decimal mode. See base mode decimal point, 1–18, A–1degrees angle units, 4–4, A–2converting to radians, 4–13 denominators controlling, 5–5, 13–9, 13–14range of, 1–22, 5–1, 5–2setting maximum, 5–4 digit–entrycursor backspacing, 1–5, 6–8, 12–6in equations, 6–5 in programs, 12–6meaning, 1–15 discontinuities of functions, D–5display Index–3 376 display formataffects integration, 8–2, 8–5, 8–7 affects numbers, 1–19affects rounding, 4–16default, B–3 periods and commas in, 1–18, A–1 clearing stack, 2–5 stack operation, 2–5 a(exponent), 1–15 format EQN annunciator in equation list, 6–4, 6–6in Program mode, 12–6 EQN LIST TOP, 6–7, F–1 equality equations, 6–9, 6–10, 7–1equation list adding to, 6–4displaying, 6–6editing, 6–8 EQN Equation mode backspacing, 1–5, 6–8during program entry, 12–6leaving, 1–5, 6–3 shows equation list, 6–3starting, 6–3, 6–6 equation–entrycursor backspacing, 1–5, 6–8, 12–19operation, 6–5 equations and fractions, 5–8 as applications, 17–1 deleting in programs, 12–6, 12–18 displaying, 6–6 displaying in programs, 12–14, 12–16, 13–10 editing, 1–5, 6–8 editing in programs, 12–6, 12–18 entering, 6–4, 6–8entering in programs, 12–6evaluating, 6–9, 6–10, 6–12 7–6, 12–4, 13–10 Index–4 377 Index–5378 Index–6379 imaginary part (complex numbers), 9–1, 9–2indirect addressing, 13–20, 13–21, 13–22 integer–partfunction, 4–16integration in programs, 14–9interrupting, B–2 limits of, 8–2, 14–8, C–8, E–7memory usage, 8–2, B–2purpose, 8–1 restrictions, 14–11 results on stack, 8–2, 8–6stopping, 8–2, 14–8subintervals, E–7 8–6, E–2using, 8–2, C–8variable of, 8–2, C–8 keys alpha, 1–3letters, 1–3shifted, 1–3 16–1 program catalog, 1–24, 12–20reviews memory, 1–24variable catalog, 1–24, 3–3 mantissa, 1–15, 1–21mass conversions, 4–13math Index–7 380 Index–8381 internal representation, 1–19, 10–4large and small, 1–14, 1–16limitations, 1–14mantissa, 1–15 A–1 precision, 1–19, D–13prime, 17–6 typing, 1–14, 1–15, 10–1 , 1–1 OCT one–variablestatistics, 11–2overflow flags, 13–9, F–3 result of calculation, 1–16, 10–3, 10–5 in arithmetic, 2–11 in equations, 6–5, 6–6, 6–14pause. See PSE 6–13 precision (numbers), 1–19, 1–21, D–13 present value. See financial calculations PRGM TOP, 12–4, 12–6, 12–19, F–3 prime number generator, 17–6probability functions, 4–14 normal distribution, 16–11program catalog, 1–24, 12–20program labels branching to, 13–2, 13–4, 13–16 Index–9 382 moving to, 12–10, 12–19purpose, 12–3typing name, 1–3viewing, 12–20 ALG operations, 12–4base mode, 12–22branching, 13–2, 13–4, 13–6 13–11, 13–17, 14–6 data input, 12–4, 12–11, 12–13data output, 12–4, 12–13 12–16deleting, 1–24deleting all, 1–6 deleting equations, 12–6, 12–18deleting lines, 12–18designing, 12–3, 13–1 editing, 1–5, 12–6, 12–18editing equations, 12–6, 12–18entering, 12–5 flags, 13–8, 13–11for integration, 14–7for SOLVE, 14–1, D–1 return at end, 12–3routines, 13–1 RPN operations, 12–4running, 12–9 Index–10 383 testing, 12–9using integration, 14–9using SOLVE, 14–6 variables in, 12–11, 14–1, 14–7prompts affect stack, 6–13, 12–12clearing, 1–5, 6–13, 12–13equations, 6–12 INPUT, 12–11, 12–13, 14–2, 14–8 programmed equations, 13–10, 14–1, 14–8 pausing programs, 12–11, 12–17, 14–10 preventing program stops, 13–10 quadratic equations, 15–21questions, A–1 quotient and remainder of division, 4–2 ending prompts, 6–10, 6–13, 7–2, 12–13 running programs, 12–20stopping integration, 8–2, 14–8stopping SOLVE, 7–7, 14–1 R¶ and Rµ, 2–3, C–6radians angle unit, 4–4angle units, A–2converting to degrees, 4–13 radix mark, 1–18, A–1random numbers, 4–14, B–3RCL, 3–2, 12–12 RCL arithmetic, 3–5, B–6real numbers integration with, 8–1operations, 4–1SOLVE with, 14–2 real part (complex numbers), 9–1, 9–2 root functions, 4–3roots. See SOLVE checking, 7–6, D–3in programs, 14–6multiple, 7–8 none found, 7–6, D–8of equations, 7–1 of programs, 14–1polynomial, 15–20quadratic, 15–21 rounding fractions, 5–7, 12–17numbers, 4–16 round–offfractions, 5–7integration, 8–5 Index–11 384 SOLVE, D–13statistics, 11–9trig functions, 4–4routines calling, 13–2 nesting, 13–3, 14–11parts of programs, 13–1 RPN origins, 2–1running programs, 12–9 equation checksums, 6–18, B–2equation lengths, 6–18, B–2fraction digits, 5–4 variable digits, 3–3, 12–13®, 13–14 in programs, 12–6setting, 1–19 scrolling binary numbers, 10–6equations, 6–7, 12–6, 12–14 seed (random number), 4–14 self–test(calculator), A–5shift keys, 1–3 sign (of numbers), 1–14, 1–17, 9–3, 10–4 sign conventions (finance), 17–1 Index–12 Sign value, 4–16 how it works, 7–5, D–1in programs, 14–6 initial guesses, 7–2, 7–5, 7–7, 7–10, 14–6 interrupting, B–2memory usage, B–2minimum or maximum, D–8multiple roots, 7–8 no restrictions, 14–11 no root found, 7–6, 14–6, D–8pole, D–5 purpose, 7–1 real numbers, 14–2 results on stack, 7–2, 7–6, D–3resuming, 14–1 round–off, D–13stopping, 7–2, 7–7underflow, D–14using, 7–1 square function, 1–17, 4–2 square–rootfunction, 1–17stack. See stack lift affected by prompts, 6–13, 12–12 complex numbers, 9–1 385 registersstatistics calculating, 11–4 data accessing, 11–11 clearing, 1–6, 11–2, 11–11contain summations, 11–1 11–10, 11–11correcting data, 11–2initializing, 11–2memory, 11–11 no fractions, 5–2viewing, 11–11 12–14 tangent (trig), 4–4, 9–3, A–2temperatures converting units, 4–13limits for calculator, A–2 test menus, 13–7 testing the calculator, A–4, A–5time formats, 4–12 Index–13 386 Index–14387 Index–15
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