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HP 49g+ Pocket Manual

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HP 49g+ User Manual
HP 49g+ User Guide
HP 49g+ Online Manual

Text of HP 49g+ User Guide:

  • HP 49g+, 54 POWMOD * = function POWMOD Raises an object (number or expression) to the specified power, and expresses the result modulo the current modulus.* MODULO obj 1 z 1 → obj 2 PR1 Prints an object in multiline printer format. PREDV Returns the predicted dependent-variable value y dependent , based on x independent , the selected statistical model, and the current regression coefficients in Σ PAR. x independent → y dependent PREDX Returns the predicted independent-variable value x independent based on: y dependent , the selected statistical model, and the cu

  • 61 RRB * = function ROLLD Moves the contents of level 2 to a specified level, n , and rolls downward the portion of the stack beneath the specified level. STACK obj n ... obj 1 n → obj 1 obj n … obj 2 ROMUPLOAD Transfers the operating system to another calculator. ROOT Returns the value of the specified variable global for which the specified program or algebraic

  • 11 ARITHMETIC MESSAGES 769 Positive Underflow 770 Negative Underflow 771 Overflow 772 Undefined Result 773 Infinite Result I/O AND PRINTING MESSAGES 3073 Bad Packet Block Check 3074 Timeout 3075 Receive Error 3076 Receive Buffer Overrun 3077 Parity Error 3078 Transfer Failed 3079 Protocol Error 3080 Invalid Server Cmd. 3081 Port Closed 3082 Connecting 3083 Retry # 3084 Awaiting Server Cmd.

  • HP 49g+, 13 –14 Set: TVM calculations use BEGIN payment mode. Clear:* TVM calculations use END payment mode. –15 Set: Spherical mode (with flag –16 set). Clear:* Cylindrical mode (with flag –16 set). –16 Set: Polar coordinate mode. Clear:* Rectangular coordinate mode. –17 Set:* Radians mode if –18 clear. Clear: Degrees if –18 clear, gradians if –18 set. –18 Set: Gradians if –17 clear. Clear:* Radians if –17 set, degrees if –17 clear. –19 Set: →V2 creates a complex number. Clear:* →V2 creates a 2-D vector. –20 Set: Underflow treated as an error. Clear:* Underflow returns 0; sets flag –23 or –24. –21 Set: Overflow treated as an error. C

  • 71 TRANSIO * = function THEN Starts the true-clause in a conditional or error-trapping structure. BRANCH TICKS Returns the system time as a binary integer. TOOLS TICKS → #n time TIME Returns the system time in HH.MMSSs format. TOOLS → time →TIME Sets the system time. TOOLS time → TINC Calculates a temperature increment.* x initial y delta → x fi

  • HP 49g+, 23 AXES * = function ASIN2C Replaces asin() terms with equivalent acos() terms. ‘ symb 1 ’ → ‘ symb 2 ’ ASIN2T Replaces asin() terms with equivalent atan() terms. ‘ symb 1 ’ → ‘ symb 2 ’ ASINH Returns the inverse hyperbolic sine of the argument.* HYPERBOLIC z → asinh z ASN Defines a key on the user keyboard by assigning the given object to the key x key , specified as row column.position. obj x key → ASR Shifts a binary integer one bit to the right, except for the most significant bit

  • HP 49g+, 25 CHOOSE * = function BUFLEN Returns the number of characters in the serial input buffer and a single digit indicating whether an error occurred. → n chars 0/1 BYTES Returns the number of bytes and the checksum for the given object. MEMORY obj → #n checksum x size B→R Converts a binary integer to its floating-point equivalent. #n → n CASCFG Restores the default CAS mode settings. CASE Starts CASE … END conditional structure. BRCH CEIL Returns the smallest integer greater than or equal to the argument.* REAL x →

  • HP 49g+, 76 WSLOG * = function WSLOG Returns four strings recording the date, time, and cause of the four most recent warmstart events. → “log 4 ” … “log 1 ” ΣX Sums the values in the independent-variable column of the current statistical matrix (reserved variable Σ DAT ). → x sum ΣX2 Sums the squares of the values in the independent- variable column of the current statistical matrix. → x sum XCOL Specifies the independent-variable column of the current statistics matrix (reserved variable Σ DAT ). n col → XGET Retrie

  • HP 49g+, 3 Function Key Guide This section explains the use of each item on the function key menu of the more commonly used HP 49G applications. Equation Writer File Manager EDIT Opens the selected component in the command line editor. Make your changes, then press to return to Equation Writer. CURS Enables cursor mode. Use the arrow keys to enclose the part of the equation that you want to select in a box, then press to return to selection mode, with the boxed component selected. BIG Toggles Equation Writer between standard font and mini-font. EVA

  • HP 49g+, 67 STOKEYS * = function SRB Shifts a binary integer one byte to the right. BASE BYTE #n 1 → #n 2 SRECV Returns up to n characters from the serial input buffer, with an error digit if an error occurred. n → ‘ string ’ 0/1 SREPL Finds and replaces a string in a text object. “ string 1 ” “ string 2 ” “ string 3 ” → “ string 4 ” START Begins START … NEXT and START … STEP definite loop structures. BRANCH START x start x finish → STD Sets the number display format to standard mode. STEP Defines the increment (step) value, and ends definite loop struc

  • HP 49g+, 43 KGET * = function IP Returns the integer part of the argument.* REAL x → n IQUOT Returns the integer quotient of two integers.* INTEGER n 1 n 2 → n 3 IREMAINDER Returns the remainder of an integer division.* n 1 n 2 → n 3 ISOL Returns an algebraic symb 2 that rearranges symb 1 to isolate the first occurrence of variable global . ‘ symb 1 ’ ‘ global ’ → ‘ symb 2 ’ ISPRIME? Tests if a number is prime.* INTEGER obj 1 → T/F I→R Converts an integer into a real number.* n → z JORDAN Computes the eigenvalues, eigenvectors, minimum polynomial, and characteristic polynomial of a matrix. EIGENVE

  • HP 49g+, 62 rref * = function rref Reduces a matrix to row-reduced echelon form and returns pivot points.* [[ matrix 1 ]] → { list } [[ matrix 2 ]] RREF Reduces a matrix to row-reduced echelon form.* LINEAR SYSTEMS [[ matrix 1 ]] → [[ matrix 2 ]] RREFMOD Performs modular row-reduction to echelon form on a matrix, modulo the current modulus. [[ matrix 1 ]] → [[ matrix 2 ]] RRK Computes the solution to an initial value problem for a differential equation with known partial derivatives. { list } x tol x T fina

  • 42 IFTE * = function IFTE Executes the obj in argument 2 or level 2 if T/F is nonzero. Executes the obj in argument 3 or level 1 if T/F is zero.* BRANCH T/F obj true obj false → ILAP Returns the inverse Laplace transform of an expression. The expression must evaluate to a rational fraction.* DIFFERENTIAL EQNS ‘ symb 1 ’ → ‘ symb 2 ’ IM Returns the ima

  • HP 49g+, 64 SCONJ * = function SCONJ Conjugates the contents of a named object. MEMORY ARITHMETIC ‘ name ’ → SCROLL Displays the contents of a named object. ‘ name ’ → SDEV Calculates the sample standard deviation of each of the m columns of coordinate values in Σ DAT . → x sdev SEND Sends a copy of the named objects to a Kermit device. ‘ name ’ → SEQ Returns a list of results generated by repeatedly executing obj exec using index between x start to x end , in steps of x incr. LIST PROCEDURES obj exec index x start x end x incr → { list } SERIES For a given function, computes Taylor series, asymptotic development and limit at finite a

  • HP 49g+, 31 DOERR * = function DIAG→ Takes an array and a dimension and returns a matrix whose major diagonal is the elements of the array. CREATE [ array ] diagonals { dim } → [[ matrix ]] DIFF Displays a menu of calculus commands. DIFFEQ Sets the plot type to DIFFEQ. DISP Displays obj in the n th display line. OUT obj n → DIV Returns the divergence of a vector function. DERIV AND INTEG [[ array 1 ]] [[ array 2 ]] → ‘ symb 1 ’ DIV2 Performs euclidean division on two expressions. Step-by- step mode is available with this co

  • HP 49g+, 55 PTAYL * = function PROMPT Displays the contents of “ prompt ” in the status area, and halts program execution. IN “ prompt ” → PROMPTSTO Creates a variable with the specified name, prompts for a value, and stores the value you enter in the variable. “ global ” → PROOT Returns all roots of an n -degree polynomial having real or complex coefficients. POLYNOMIAL [ array ] coefficients → [ array ] roots PROPFRAC Splits an improper fraction into an integer and a fraction. ‘ symb 1 ’ → ‘ symb 2 ’ PRST Prints all objects on the stack, starting with the object on the highest level. PRSTC Prints in compact fo

  • 77 YSLICE * = function XRNG Specifies the x -axis display range. x min x max → XROOT Computes the x th root of a real number.* y x → XSEND Sends a copy of the named object via XModem. ‘ name ’ → XSERVE Puts the calculator in XMODEM server mode. XVOL Sets the width of the view volume in VPAR (for 3-D plotting) . x left x right → XXRNG Specifies the x range

  • HP 49g+, 66 SLB * = function SLB Shifts a binary integer one byte to the left. BASE BYTE #n 1 → #n 2 SLOPEFIELD Sets the plot type to SLOPEFIELD. SNEG Replaces the contents of a variable with its negative. MEMORY ARITHMETIC ‘ name ’ → SNRM Returns the spectral norm of an array. OPERATIONS [ array ] → x spectralnorm SOLVE Finds zeros of an expression equated to 0, or solves an equation. ‘ symb 1 ’ z 1 → { list 1 } SOLVER Displays a menu of commands used in solving equations. SOLVEVX Finds zeros of an expression with respect to the current variable. ‘ symb 1 ’ → { list 1 } SORT Sorts the elements in a list in ascending order. LIST { list } 1 → { list } 2 S

  • HP 49g+, 20 Command Reference All the HP 49G commands are listed in the table commencing on page 21. A brief description of each command is provided, together with the key or keys that provide access to the command. Where appropriate, at least one argument (input) and the corresponding result (output) is provided. In many cases, a command can take many more types of argument. To se a full listing of the arguments applicable to each command, see the Advanced User ’ s Guide . The commands are listed alphabetically. Commands referred to solely by a non-alphabetic character—for example,%—are listed after those referred to by alphabetic characters. Where a non-alphabetic characte

  • HP 49g+, 26 CHR * = function CHR Returns a string representing the character corresponding to the character code n. TYPE n → “ string ” CKSM Specifies the error-detection scheme. n checksum → CLEAR Removes all objects from the stack or history. obj n ...obj 1 → CLKADJ Adjusts the system time by x clock ticks, where 8192 clock ticks equal 1 second. TOOLS x → CLLCD Clears (blanks) the stack display. OUT CLOSEIO Closes the serial port, and clears the input buffer and any error messages for KERRM. CLΣ Purges the current stat

  • HP 49g+, 6 Reserved Names and Constants You should avoid using certain names for variables, because their contents are interpreted by the calculator in set ways. Some examples are given in the following table. Name Use 0DETYPE The differential equation type used in the DESOLVE command. ALRMDAT Data for current alarms. CST Current contents of a custom menu. d# Indicates a user-defined derivative, where # is the number of the defined derivative. EPS The smallest real value below which the calculator rounds to zero for some operations, for example EPSX0. EQ Current equation, plotting and numeric solving. ERABLEMSG Informatio

  • HP 49g+, 29 DELALARM * = function C→R Separates the real and imaginary parts of a complex number or complex array. TYPE ( x, y ) → x y DARCY Calculates the Darcy friction factor of certain fluid flows.* xe / D yRe → x Darcy →DATE Sets the system date to date. TOOLS date → DATE Returns the system date. TOOLS → date DATE+ Returns a past or future date, given a date in argument 1/level 2 and a number of days in argument 2/level 1. TOOLS date 1 x days → date new DBUG Starts program execution, then suspends it as if HALT were the first program command. « program » or ‘ program name ’ → DDAYS Returns th

  • HP 49g+, 80 Σ – * = function Σ – Returns a vector of m real numbers (or one number x if m = 1) corresponding to the coordinate values of the last data point entered by Σ+ into the current statistics matrix. → x Σ+ Adds one or more data points to the current statistics matrix (reserved variable Σ DAT ). x → ∫ Integrates an integrand from lower limit to upper limit with respect to a specified variable of integration.* lower limit upper limit integrand ‘ name ’ → ‘ symb integral ’ Name Description Access Inputs Outpu

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