Program Library 1 for RPN-65

Please note:
For copyright reasons, program documentation is not available for download. User's manuals in PDF format
for all HP programs listed below are available from The Museum of HP Calculators.

Manuals are highly recommended for:
  • detailed program descriptions
  • illustrations
  • equations used in the calculations
  • step-by-step instructions
  • additional examples.

See section "Sharing" to learn how to load cards.

All HP Pacs shown on this page are included with RPN-65 Pro.
Pacs marked with a card image are presented using scanned original cards (courtesy of John Rausch.)
 


 
Complete Databases    
Empty DB for RPN-65 An empty database for RPN-65. Useful if you want to create your own program collection from scratch.
Default DB for RPN-65
Rev. Nov 6, 2021
The initial database of RPN-65 cards.
 

 
HP Standard Pac  
01A - Personal Investment
Rev. Oct 22, 2015
Personal investment calculations.
01B - Day of the Week This program computes the day of the week for any date since September 14, 1752 (the date that England and its colonies switched from the Julian Calendar to the current Gregorian Calendar.)
02 - Mean, Standard Deviation, Standard Error Given a set of data points, the program calculates the mean, the standard deviation (by either of two methods) and the standard error of the mean (by either of two methods).
03 - Great Circle Navigation This program accepts the coordinates of two points on the globe and calculates the great circle distance between them as well as the initial heading.
04 - Integer Base Conversion This program can be used to convert an integer n in base B₁ to an equivalent integer in base B₂, where B₁, B₂ are integers such that 2 ≤ Bi ≤ 10 (i = 1, 2).
05 - Body Surface Area This program calculates the body surface area in square meters from the patient's height (in inches or centimeters) and weight (in pounds or kilograms).
06 - Pi Network Impedance Matching A lossless network is often used to match between two resistive impedances R₁ and R₂ by placing capacitors C₁ and C₂ in parallel to the resistors and connecting the two circuits using a coil L₁.
07 - EDM Slope Reduction A lossless network is often used to match between two resistive impedances R₁ and R₂ by placing capacitors C₁ and C₂ in parallel to the resistors and connecting the two circuits using a coil L₁.
08 - Temperature Conversion This program converts temperature interchangeably between degrees Celsius (Centigrade), Kelvin, Fahrenheit and Rankine.
09 - Weigh-Mass Conversion This program converts weight and/or mass interchangeably between pounds, ounces, kilograms, grams and slugs.
10 - Volume Conversions This program converts volume interchangeably between U.S. gallons, imperial gallons, liters, cubic centimeters and cubic inches.
11 - Compound Interest This program computes the answers to compound interest problems.
12 - Loan Repayment Given the term for a direct reduction loan in years, the number of periodic payments per year, and the annual interest rate in percent this program computes: 1) Periodic payment amount, if the principal value borrowed is given, or 2) The principal value if the periodic payment is given.
13 - Reconcile Checking Account This program serves as an aid in reconciling personal checkbook tallies to bank statements. Inputs are outstanding checks (check which have not cancelled), outstanding deposits (deposits after the statement closing date), and bank statement balance.
14 - Iterative Solution of f(x)=0 This program finds a solution x₀ of an equation f(x) = 0 by a modified regula falsi method. The user specifies the continuous real-valued function f(x), an accuracy tolerance δ, and two points x₁, x₂ such that f(x₁) • f(x₂) < 0; that is, such that f(x₁} and f(x₂) are of opposite signs.
15 - Quadratic Equation This program calculates the real or complex solutions of a quadratic equation.
16 - Areas and Solution of Right Triangles This program finds:
1. The area of a circle given the radius a
2. The area of an ellipse given a and b
3. The area of a rectangle given a and b
4. The area of a triangle given a, b, and c
5. The third side of a right triangle given the other two. (If the hypotenuse is one of the known legs it must be entered as a negative value.)
17 - The Game of Nimb Starting with a total of fifteen objects (or in this case the number fifteen) each player alternately subtracts one, two, or three, until only one is left.
18 - User Diagnostic Program 1 This program is designed to locate malfunctions in the operations of flags, relational operators, decrement and skip on zero, subroutine calls and tangent. In case calculator malfunctions are suspected, this program can be run as a check. In this way malfunctions can be specifically identified.
19 - User Diagnostic Program 2 This program is designed to locate malfunctions in
-, +, x, ÷, f 0-9, f⁻¹ 0-9, f, f⁻¹, g
STO + 6, STO 8, RCL 8, RCL 6, CHS, EEX and R/S.
 

 
HP E.E. Pac 1  
01 - Reactance Chart This program provides a means of determining the missing value in the relation f = 1 / (2π√LC).
02 - Series Resonant Circuit This program computes the input impedance Z and the resonant frequency fr of the series resonant circuit (Rs, C, L) in parallel with a resistance Rp. At any desired frequency the magnitude and phase of Z are calculated and displayed.
03 - Parallel Resonant Circuit This program computes the input impedance Z and the undamped natural frequency fr of the parallel resonant circuit consisting of R, L and C connected in parallel. At any desired frequency, the magnitude and phase of Z are calculated and displayed. A special routine allows automatic incrementation of frequency as a plotting aid.
04 - Impedance of Ladder Network This program computes the input impedance of an arbitrary ladder network. Elements are added one at a time starting from the right.
05 - T Attenuator This program computes the minimum loss of the attenuator and values for the resistors R1, R2, and R3 which will yield an attenuator having any desired loss.
06 - Pi Attenuator This program computes the minimum loss of the attenuator and values for the resistors R1, R2, and R3 which will yield an attenuator having any desired loss.
07 - Wye-Delta or Delta-Wye Transformation This program converts either a Pi or T network into the other.
08 - Minimum-Loss Pad Matching This program computes resistances R1, and R2 which will match resistive impedances Z1 and Z2 (Z1 > Z2). The resulting attenuation is also computed.
09 - Pi Network Impedance Matching A Iossless network consisting of two capacitors and an inductor in a Pi configuration is often used to match between two resistive impedances Z1 and Z2. Given the values of Z1 and Z2 (Z1 > Z2) the frequency f, and the desired circuit Q, the values of C1, C2, and L can be found.
10 - Band Pass Filter Design This program computes the ideal component values for the filters shown in the documentation, given the image impedance level and the desired band pass.
11 - Active Filter - Low Pass Given the desired low frequency gain G, the cutoff frequency fc, the reciprocal quality factor α, and a value for capacitor C5 (the capacitor connecting the output of the opamp with its minus-input), the program computes values for R1, C2, R3 and R4.
12 - Active Filter - High Pass Given the desired high frequency gain G, the desired corner frequency fc, the desired "alpha peaking factor" α (= 2ζ, where ζ is the damping factor) and a value for capacitor C = C1 = C3 (the capacitors in series between the signal input and the opamp's minus-input), the program computes values for R2, R5, and C4.
13 - Butterworth Filter This program computes component values for Butterworth low·pass filters between equal terminations given filter order, termination resistance, and corner frequency.
14 - Chebyshev Filter This program computes component values for Chebyshev low-pass filters between equal terminations given filter order, termination resistance in ohms, corner frequency in hertz, and allowable ripple in decibels.
15 - Capacitance of Parallel Plates This program computes the inductance L0 of a straight round wire of length I, diameter d, and relative permeability µr.
16 - Self Inductance of Straight Round Wire This program calculates the inductance of a single·layer coil which is given approximately by Wheeler's formula.
17 - Inductance of a Single-Layer Coil Fits a set of data points x, y to a straight line and a curve. Determines goodness of fit.
18 - Skin Effect and Coil Q This program computes the skin depth δ, surface resistance Rs (resistance per square), and resistance per meter R of a cylindrical conductor.
19 - Transformer Design This program evaluates transformer design equations found in Reference Data for Radio Engineers, fifth edition, Chapter 12.
20 - Reed Relay Design This program designs a reed relay.
21 - Impedance of Transmission Line This program computes high frequency characteristic impedance for three types of transmission lines.
22 - Transmission Line Impedance Transformation Calculations on a lossless transmission involving electrical length and input impedance.
23 - Microstrip Transmission Line This program computes the characteristic impedance and propagation delay of microstrip line using the formulas from p. 39 of Blood, William R. , MECL System Design Handbook, Molorola, Inc., 1971.
24 - S⇄Y Parameter Conversion This program converts s- parameters to y- parameters. y- parameters may be converted to s- parameters by interchanging the y's and s's.
25 - Power Supply Rectifier Circuits This program calculates component values for various half- and full-wave rectifier circuits.
26 - Controlled Rectifier Circuits This program computes Vave, Vrms, and Vp-p as functions of Ep and α for the circuits shown (see HP documentation.)
27 - Integrated Circuit Current Source For the common IC bias circuit (see schematic in HP documentation), this program calculates the resistance R2.
28 - Transistor Bias This program computes the de collector current and two sensitivity factors for the circuit shown (see HP documentation).
29 - JFET Bias and Transconductance Given the FET parameters Vp and IDSS, and the desired drain current and voltage gain for the circuit shown (see HP documentation), this program computes VGS, gm, and values for RD and RS.
30 - Phase Locked Loop This program computes the natural frequency, damping factor, and noise bandwidth for the phase locked loop shown (see HP documentation).
31 - Fourier Series This program computes the Fourier coefficients from discrete versions of the formulas given a large enough number of samples of a periodic function. Six consecutive sine or cosine coefficients are computed at one time from N equally spaced points.
32 - Decibel Conversion This program converts voltage or power ratios to decibels and vice versa.
33 - Voltage to dBm The power level of radio-frequency energy is often expressed in decibels above one miIliwatt. This program finds the missing value of the following values when any two are given.
34 - Wire Tables Al and Annealed Cu This program converts AWG gauge number to mils. It also computes the weight and resistance of 1000 feet of wire.
35 - Heat Sinks This program calculates the junction temperature Tj of a transistor mounted on a 1/8" thick unpainted aluminium sheet.
 

 
HP Math Pac 1  
01 - Factors of an Integer This program finds all prime factors – p1, p2, p3, ... – of a positive integer n (≤ 2 x 10⁹) and hence, determines if n is a prime number.
02 - Greatest Common Divisor and
       Least Common Multiple
This program computes the greatest common divisor CGCD) and the least common multiple (LCM) for integers a, b. The program also finds integral coefficients s and t such that GCD(a, b) = s*a + t*b
03 - Arithmetic and Harmonic Progressions Various calculations involving arithmetic and harmonic progressions.
04 - Geometric Progression Various calculations involving geometric progressions.
05 - Functions of x and y yˣ for any real y and x, logxy, y mod x, permutation combination.
06 - Quadratic Equation This program finds the roots of ax² + bx + c = 0.
07 - Cubic Equation This program finds a real root of the cubic equation f(x) = x³ + ax² + bx + c = 0, where a, b, c are real.
08 - 4th Degree Polynomial Equation Find the roots (real and/or imaginary) of a fourth degree polynomial equation of the form x⁴ + a3x³ + a2x² + a1x + a = 0
09 - 5th Degree Polynomial Equation This program finds one real root of f(x) = x⁵ + α₄x⁴ + α₃x³ + α₂x² + α₁x + α₀ = 0
10 - Simultaneous Equations in Two Unknowns This programs solves for x and y, given the equations
ax + by = e and cx + dy = f
11 - Simultaneous Equations in Three Unknowns This programs solves for x, y, and z, given the equations
a₁x + b₁y + c₁z = d₁, a₂x + b₂y + c₂z = d₂, a₃x + b₃y + c₃z = d₃
12 - Synthetic Division This program performs synthetic division on a polynomial of degree n (with real coefficients).
13 - Rectangular, Spherical Conversions This program converts rectangular to spherical and vice versa.
14 - Translation and/or Rotation of Coord. Axes Calculate translation or rotation of coordinates, and combinations thereof.
15 - Angle Conversions
Rev. Nov 6, 2021
This program can be used to convert an angle in one angular unit to any other unit. Angles can be expressed in degrees, radians, grads or mils.
16 - Secondary Values of sin⁻¹, cos⁻¹, tan⁻¹ Inverse trigonometric functions are multiple-valued functions, the HP-65 gives principal values as answers. This program computes the secondary values of arc sine, arc cosine and arc tangent.
17 - Trigonometric Functions This program provides the trigonometric functions cot x, sec x, csc x and their inverse.
18 - Hyperbolic Functions This program provides the hyperbolic functions sinh x, cosh x, tanh x, csch x, sech x, coth x.
19 - Inverse Hyperbolic Functions This program provides the inverse hyperbolic functions sinh⁻¹ x, cosh⁻¹ x, tanh⁻¹ x, csch⁻¹ x, sech⁻¹ x, coth⁻¹ x.
20 - Solution of a Triangle (a,b,c OR a,b,C) This program solves an oblique triangle given sides a, b, c OR sides a, b and angle C (defined by a and b.)
21 - Solution of a Triangle (a,A,C OR a,B,c) This program solves an oblique triangle given side a and angles A, C OR side a and angles B, C.
22 - Solution of a Triangle (B,b,c) This program solves an oblique triangle given angle B and sides b, c.
23 - Spherical Triangles If A,B,C are the three angles of a spherical triangle and a,b,c the opposite sides, this program solves the triangle for various cases.
24 - Area of a Triangle This program calculates the area of a triangle for various cases.
25 - Area of a Polygon This program calculates the area of a polygon of n sides with n ≥ 3.
(xi,yi) are coordinates of the vertices of the polygon (i = 1,2, ... , n).
26 - Circle Determined By Three Points Given three distinct points (x₁,y₁), (x₂,y₂), (x₃,y₃) on a circle, this program solves for the radius r and center point (x₀,y₀) of the circle.
27 - Equally Spaced Points on a Circle Given a circle with radius r and center (x₀, y₀), the program computes the rectangular coordinates of equally spaced points (x₁,y₁), (i = 1, 2, ..., n) on the circle if angle θ and number of points n are known. The position of the first point (x₁,y₁) on the circle is determined by the angle θ.
28 - Polygons Inscribed In and
       Circumscribed About a Circle
This program finds the side and area of an n-sided regular polygon inscribed in or circumscribed about a circle.
29 - Unit Conversions Convert between °C and °F, feet/inches and centimeters, pounds and kilograms.
30 - Unit Conversions Convert between miles and kilometers, gallons and liters, yards and meters, acres and square feet.
31 - Polynomial Evaluation (Real) This program evaluates polynomials of the form f(x) = a₀ + a₁x + a₂x² + ...
32 - Linear and Lagrangian Interpolations This program performs linear interpolation.
33 - Finite Difference Interpolation This program interpolates for data points in the region of tabulated data for uniformly spaced abscissas, with spacing h.
34 - Numerical Integration This program approximates the integral of a function f(x) given by equally spaced points xi and their function values f(xi) by applying the trapezoidal rule or Simpson's rule.
35 - Simpson's Rule For Numerical Integration This program may be used to solve a wide variety of first order differential equations of the form y' = f(x, y) with initial values x₀, y₀.
36 - First Order Differential Equation Given three distinct points (x₁,y₁), (x₂,y₂), (x₃,y₃) on a circle, this program solves for the radius r and center point (x₀,y₀) of the circle.
37 - Roots of f(x)=0 in an Interval This program uses the principle of interval-halving to find real roots of an equation f(x) = 0 in a closed interval [a,b].
38 - Determinant and Characteristic
       Equation of a 3 x 3 Matrix
This program finds the determinant and the characteristic equation of a 3 x 3 matrix.
39 - 2 x 2 Matrix Operations Given two 2 x 2 matrices, A and B, this program calculates A + B, A - B, and AB.
40 - 3 x 3 Matrix Inversion This program, used in conjunction with program 38, finds the inverse of a 3 x 3 matrix.
 

 
HP Math Pac 2  
01 - Octal Arithmetic This program computes various operations with octal numbers.
02 - Integer Base Conversion This program can be used to convert an integer n in base B₁ to an equivalent integer in base B₂.
03 - Base Conversion This program converts a positive decimal number Q to its equivalent number R in base a (Q₁₀ → Ra), or converts a positive number R in base a to a decimal number Q (Ra → Q₁₀). The base a can be any integer such that 2 ≤ a ≤ 99.
04 - Complex Arithmetic This program calculates basic operations on complex numbers.
05 - Complex Functions 1 This program calculates functions on a complex number z: |z|, z², √z, 1/z
06 - Complex Functions 2 This program calculates functions on a complex number z: zn, z1/n
07 - Complex Functions 3 This program calculates functions on a complex number z: ez, ln z, az, logaz
08 - Complex Functions 4 This program calculates functions on complex numbers z and w:
zw, z1/w, logzw
09 - Complex Trig. and Hyperbolic Functions This program calculates trigonometric and hyperbolic functions on a complex number z: sin z, sinh z, csc z, csch z
10 - Complex Trig. and Hyperbolic Functions This program calculates trigonometric and hyperbolic functions on a complex number z: cos z, cosh z, sec z, sech z
11 - Complex Trig. and Hyperbolic Functions This program calculates trigonometric and hyperbolic functions on a complex number z: tan z, tanh z, cot z, coth z
12 - Complex Trig. and Hyperbolic Functions This program calculates trigonometric and hyperbolic functions on a complex number z: sin⁻¹ z, sinh⁻¹ z, csc⁻¹ z, csch⁻¹ z
13 - Complex Trig. and Hyperbolic Functions This program calculates trigonometric and hyperbolic functions on a complex number z: cos⁻¹ z, cosh⁻¹ z, sec⁻¹ z, sech⁻¹ z
14 - Complex Trig. and Hyperbolic Functions This program calculates trigonometric and hyperbolic functions on a complex number z: tan⁻¹ z, tanh⁻¹ z, cot⁻¹ z, coth⁻¹ z
15 - Polynomial Evaluation (complex) Given a polynomial (with complex coefficients) of the form f(z) = c₀zn + c₁zn-1 + ... + c(n-1)z + cn, this program evaluates f(z₀) = a + ib for any complex number z₀
16 - Intersection of a Line and a Conic Section This program finds the intersections (x₁,y₁), (x₂,y₂) of ax + by + c = 0 and
Ax² + Bxy + Cy² + Dx + Ey + F = 0
17 - Vector Products and Angle Between Vectors This program calculates the dot product and the cross product of two vectors in 3-dimensional space, as well as the angle θ between the two vectors.
18 - Partial Sum and Partial Product Computes partial sum ∑f(k,x) and product Πf(k,x).
19 - Gaussian Quadrature [a,b] This program computes the value ∫f(x)dx between finite boundaries a and b.
20 - Gaussian Quadrature [a,∞] The program computes the value ∫f(x)dx between finite boundary a and ∞.
21 - Bessel Function Jn(x) This program computes the value of the Bessel function Jn(x).
22 - Kelvin Functions This program computes the Kelvin functions ber(x) and bei(x).
23 - Euler Φ Function Φ (n) is the number of integers not exceeding and relatively prime to n, where n is a non-negative integer.
24 - Gamma Function This program approximates the value of gamma function Γ(x) for 1 ≤ x < 70.
25 - Incomplete Gamma Function This program computes the Incomplete Gamma Function γ(a,x).
26 - Error Functions erf(x) and erfc(x) This program computes the error function erf x and the complementary error function erfc x = 1 - erf x.
27 - Confluent Hypergeometric Function This program computes the Confluent Hypergeometric Function M(a,b,x).
28 - Gaussian Hypergeometric Function This program computes the Gaussian Hypergeometric Function F(a,b;c;x).
29 - Chebyshev Polynomial This program computes the value of the Chebyshev polynomial Tn(x).
30 - Legendre Polynomial This program computes the value of the Legendre polynomial Pn(x).
31 - Hermite Polynomial This program computes the value of the Legendre polynomial Hn(x).
32 - Laguerre Polynomial This program computes the value of the Legendre polynomial Ln(x).
33 - Sine Integral This program computes the Sine integral Si(x).
34 - Cosine Integral This program computes the Cosine integral Ci(x).
35 - Exponential Integral This program computes the Exponential integral Ei(x).
36 - Fresnel Integrals This program computes the Fresnel cosine integral C(x) and the Fresnel sine integral S(x).
37 - Complete Elliptic Integrals This program computes the generalized complete elliptic integral CEI(k;A,B) of the second kind.
 

 
HP Stat Pac 1  
01 - Mean, Standard Deviation, Standard Error Given a set of data points, this program computes the following statistics:
mean x̅, standard deviation sx or sx', standard error of the mean sx̅ or sx̅'
02 - Mean, Standard Deviation, Standard Error
       (Grouped Data)
Given a set of data points grouped by occurrence, this program computes the following statistics:
mean x̅, standard deviation sx or sx', standard error of the mean sx̅ or sx̅'
03 - Permutation and Combination This program computes permutations mPn and combinations mCn,
where m, n are integers and 0 ≤ n ≤ m.
04 - Arithmetic, Geometric, Harmonic and
       Generalized Means
Given a set of data points, this program computes the following means:
arithmetic mean A, geometric mean G, harmonic mean H, generalized mean M(t)
05 - Sums For Two Variables This program computes sums for a set of given data { (xi,yi), i = 1, 2, ..., n }.
06 - Basic Statistics (Two Variables) This program computes mean, standard deviation, covariance, and correl- ation coefficient derived from a set of data points { (xi,yi), i = 1, 2, ..., n }.
07 - Moments, Skewness and Kurtosis This program computes moments for a set of given data.
08 - Random Number Generator This program calculates uniformly distributed random numbers ui in the range 0 ≤ ui ≤ 1, or normally distributed random numbers ni with mean m and standard deviation σ.
09 - Analysis of Variance (One Way) The one-way analysis of variance tests the differences between the population means of k treatment groups.
10 - Normal Distribution
Rev. Aug 16, 2016
This program computes the Gaussian probability density function f(x) and the cumulative density function Φ(x).
11 - Inverse Normal Integral This program determines the boundary x of the cumulative density function such that Q(x) yields a given value.
12 - Chi-Square Distribution This program evaluates the chi-square density f(x), where x ≥ 0.
13 - t Distribution This program evaluates the integral for t distribution I(x,ν), where x > 0.
14 - F Distribution This program evaluates the integral of the F distribution Q(x) for given values of x (>0).
15 - Bivariate Normal Distribution This program evaluates the bivariate normal distribution f(x,y).
16 - Logarithmic Normal Distribution If X is a random variable whose logarithm is normally distributed with mean m and variance σ², then X has a logarithmic normal distribution with density function f(x), where x > 0. This program computes f(x) and the following statistics for given m, σ²: median, mode, mean, variance.
17 - Weibull Distribution For the Weibull distribution, this program can be used to find f(x), Q(x), and x for a given Q, 0 < Q < 1.
18 - Binomial Distribution This program evaluates the binomial density function f(x) for given p and n.
19 - Negative Binomial Distribution This program evaluates the negative binomial density function f(x) for given p and r.
20 - Hypergeometric Distribution This program evaluates the hypergeometric density function f(x) for given a, b and n.
21 - Poisson Distribution This program evaluates the density function f(x) and the cumulative distribution P(x).
22 - Linear Regression This program fits a straight line y = a₀ + a₁x to a set of data points { (xi,yi), i = 1, 2, ..., n } by the least squares method.
23 - Exponential Curve Fit This program computes the least squares fit of n pairs of data points { (xi,yi), i = 1, 2, ..., n }, where yi > 0, for an exponential function of the form y = a ebx (a > 0)
24 - Power Curve Fit This program fits a power curve y = axb (a>0) to a set of data points { (xi,yi),
i = 1, 2, ..., n }, where xi > 0, yi > 0.
25 - Logarithmic Curve Fit This program fits a logarithmic curve y = a + b ln(x) to a set of data points
{ (xi,yi), i = 1, 2, ..., n }, where xi > 0, yi > 0.
26 - Least Squares Regression This program determines the coefficients c, d of the equation y = cxa + dxb for a set of data points { (xi,yi), i = 1, 2, ..., n }, where a, b are any given real numbers and xi > 0 for i = 1, 2, ..., n.
27 - Multiple Linear Regression For a set of data points { (xi,yi,zi), i = 1, 2, ..., n } this program fits a linear equation of the form z = a₀ + a₁x + a₂y by the least squares method.
28 - Parabolic Curve Fit For a set of data points { (xi,yi), i = 1, 2, ..., n } this program fits a parabola y = a₀ + a₁x + a₂x².
29 - Paired t Statistic This program computes the test statistic t for a set of paired observations from two normal populations with means µ₁, µ₂ (unknown).
30 - t Statistic For Two Means Suppose { x₁, x₂, .., xn₁ } and { y₁, y₂, .., yn₁ } are independent random samples from two normal populations having means µ₁, µ₂ (unknown) and the same unknown variance σ².
This program tests the null hypothesis H₀: µ₁ - µ₂ = D
31 - Chi-Square Evaluation This program calculates the value of the χ² statistic for the goodness of fit test.
32 - 2 x k Contingency Table Contingency tables can be used to test the null hypothesis that two variables are independent.
33 - Bartlett's Chi-Square Statistic The χ² computed by this program has a chi-square distribution (approximately) with k - 1 degrees of freedom which can be used to test the null hypothesis that s₁², s₂², ... , sk² are all estimates of the same population variance σ².
34 - Spearman's Rank Correlation Coefficient Spearman's rank correlation coefficient rs uses n (the number of paired observations (xi,yi)) and Di, defined as rank(xi) - rank(yi) = Ri - Si.
35 - Mann-Whitney Statistic This program computes the Mann-Whitney test statistic U on two independent samples of equal or unequal sizes. This test is designed for testing the null hypothesis of no difference between two populations.
36 - Kendall's Coefficient of Concordance Suppose n individuals are ranked from 1 to n according to some specified characteristic by k observers, the coefficient of concordance W measures the agreement between observers (or concordance between rankings).
37 - Biserial Correlation Coefficient The biserial correlation coefficient rb is used where one variable Y is quantitatively measured while the other continuous variable X is artificially dichotomized (that is, artificially defined by two groups). It measures the degree of linear association between X and Y.
 

 
65 Notes / PPC Journal


VxNyPz = Volume x, Number y, Page z
These programs appeared in 65 NOTES, a monthly publication of the HP-65 USERS CLUB, started in June 1974 and edited by Richard J. Nelson.
Effective January 1, 1978 the club name was changed to PPC and 65 NOTES became PPC JOURNAL.
 
V1N2P5 - Split Codes In RPN-65, split codes cannot be entered from the calculator's keyboard, but they are accepted if present in a program listing.
V1N5P5 - Hyperbolic and Inverse Functions This program calculates hyperboic functions and their inverse. A unique feature of the program is that the stack contents are preserved after the computation.
V1N5P6 - Pointer Moving Demonstrates a technique for multiple labels using Pointer Moving.
V2N1P14 - Mugwump Hunt This is an extension of the popular 2D hide-and-seek program where you have to find not only one, but two Mugwumps hidden in 10x10 grid.
V2N10P3 - Seondary Pointer Interrupt Calculate the value of a rope inventory. There are five sizes of rope selling at a specific price per foot (defined in the program code.) The rope, however, is spooled with the length per spool in feet, yards or meters. Unit conversion is required if a spool's unit is not given in feet.
V3N1P4 - Compute Pi This will program will compute π to 10 digits.
V3N2P15 - Hex to Decimal to Octal & Back This program converts a hexadecimal number to decimal, then to octal, then back to hexadecimal.
V3N3P4 - Sum of Functions From the May 1976 issue of Popular Computing: "Sum, for the values 1 to 10: the integers, their square roots, their natural logarithms, and their sines, cosines, and tangents (with the arguments in radians). What will be the final result?"
 
PPC = The Personal Programmers Club does Prolific and Productive Computing with Hewlett-Packard Personal Programmable Calculators.

Copyright © 2021. All rights reserved.