| Many special functions: Gamma, digamma, polygamma, Zeta, Kummer, Hypergeometric, Appell, Kampé de Fériet, Lauricella, Srivastava, associated Legendre, Bessel, orthogonal polynomials, Elliptic functions: Weierstrass, Jacobian, Carlson elliptic integrals; Airy, Anger & Weber, Dawson, Exponential integrals & related functions, Catalan, Fresnel, Debye, parabolic cylinder, error function, Fibonacci, Struve, Lommel, incomplete beta & gamma, Lerch, Coulomb wave, Whittaker, Toronto, spheroidal wave, ellipsoidal wave + fractional-integro-differentiation + non-linear systems + continued fractions. Includes comprehensive HTML documentation. |
The program 20/19, written in 99% System RPL, archives your equations, allows you to store and use them in the equation writer, solve equations, or simply place them on the stack. Also automatically updates backups of the formulas in a single file without needing a special directory. 20/19 puts an entry in the apps menu for easy use. Only works with ROMs 1.19-5 and 1.19-6 due to the use of unsupported entry points.
Simulates Charles Babbage's Difference Engine No. 2. Includes the original HP 48 version and DOS version, as well as new versions ported to the 49/50 and Win32 (which can run on 64-bit Windows 10). Included with permission of the author, along with 
Calculates the area and perimeter of a closed polygon given its vertices.
Curve-fitting program coded in User RPL. It allows one to fit to quadratic or linear curves.
Does curve fitting with linear, quadratic, and three different types of functions.
Solves all type of triangles, useful tool to use in programs for engineering, mathematics, etc. Angles input and exit in decimal degrees. Written in 30% System RPL and 70% User RPL.
A program that performs various apportion methods: Hamilton's, Jefferson's, Adams', Webster's, and Lowndes's. Gives quotas and divisors along with final apportionment.
Base conversion program, showing binary/hexadecimal/decimal/octal conversions all at once. All digits are shown, even if the number of binary digits is very high. Display of base representation now in normal font.
Converts bases between HEX, BIN, OCT and DEC. Allows decimal number conversions. Also calculates Base & Base-1 complements.
This program converts a number from base A to base B, where 2 <= {A, B} <= 6. The program supports decimal arithmetic as inputs and outputs.
Calculates Binomial Probabilities (individual and/or cumulative). Also graphs probabilities tables.
This set contains two programs for the HP 48 and HP 49. The first one, "BINO", computes Newton's binomial coefficients and the second one, "PAS", draws the Sierpinski triangle.
Detailed analysis of all zeros and poles of the given transfer function, construction of the multiplied and the factored form of the transfer function, graphical output of a linear approximation and the smooth characteristic of gain and phase, axes of graphs labeled in powers of ten (frequency), decibel (gain) and radians (phase), and much more.
CAD geometry and 3D design program.
User RPL program that helps you to solve problems for free "caida" and parabolic movement. The author encourages the user to improve upon the program and submit the improvements to him.
This program gives the formats for integrals and derivatives for calculus.
A complete suite of material from Calculus III (vector, differential and integral calculus) of Universidad de Concepcion.
This program contains methods of bisection, Regal Falsa, Newton-Raphson, and of the secant. It shows you the calculated table.
Calculates related variables associated with circles and triangles. Solves for 7 unknown variables from any 3 known variables, and solves 22 multiple equations to determine the unknown variables.
Apply formulas or programs on columns, rows or cells of arrays. DOSUBS and STREAM over arrays.
Another demo for that shows a six-bit binary counter in three modes (hex/dec/bin), including the binary value from the annunciators. It's written in assembly language for speed and includes full MASD-syntax source code.
Calculates wait phenomena with finite lines.
Library of various commands to help with integration, interpolation, equation solving, and more. Includes Spanish-language documentation in PDF format.
Given a binary number, this program returns its binary complements: Ca2 and Ca1.
Program for the 49G that calculates the discrete convolution of two signals represented as two lists.
Quantities and unit converter, including SI units.
Solve n*(n+1) systems of linear equations using Cramer's Rule, in both symbolic and numeric modes.
Demo of the SIN function on the unit circle. It's written in assembly language and includes full MASD-syntax source code.
This program allows one to calculate the probabilities, for which one could select the type of distribution, binomial, Poisson, geometric, or hypergeometric.
A very simple program. It improves multiplications and divisions, showing them exactly as we make it in paper.
Assigns three fraction-related commands to the division key, allowing you to easily display an entered decimal number as the decimal, improper fraction, and mixed number by pressing [Divide], display an entered decimal number as the decimal and the simplest symbolic representation by pressing [Left Shift][Divide], and display an entered fractional number as the fraction, decimal, and extended precision decimal places by pressing [Right Shift][Divide].
Extremely simple program that takes a decimal-formatted degrees/hours value with fractional minutes and displays a message box with it nicely formatted as DD°MM'SS". Also handles lists.
Helps you to solve linear differential symbolic equations exactly.
A complete suite of material of Ordinary Differential Equations from "Ecuaciones Diferenciales Ordinarias" course in the University of Concepcion, Chile.
Program to power a matrix by any value. Written in User RPL.
Equation management library with fast browsers. Similar to the HP 48 built-in equation library browser. You can organize all the equations you write, add text and graphics, as well as programs.
The famous HP 48 Equation library reprogrammed, both for the HP 49G and 49g+, with old and new solvers. Moreover, you can make your own equally comfortable equation browser on a field not covered by the standard equation categories, even with your own animation, similar to that found in the Mass-Spring system.
Flexible and expandable equation library program. Contains most of the original equation library from the 48.
Compressed XEQLIB (lib 1009) to use instead of the x48EQ.LIB provided by James D. Purdy in his eql49 2.7. This saves nearly 25k.
This is the complete Equation Library including all pictures from Hewlett-Packard for the TreeBrowser which was first available as a plug-in card for the HP 48SX and was later built into the HP 48GX and HP 48G. Also includes a separate library of economics equations.
Differential equation solver.
Program to solve e^Matrix using the Numeric Method of McLaurin's Series. Written in User RPL.
Helps you browse, create, store, evaluate, delete, move, copy, modify, rename, arrange, backup, and share formulas (equations), all within an easy and friendly user environment. Includes auto-help and was made in User RPL. Version 2KX is animated and is optimized for the 49g+ and 50g; version 9.74 is optimized for the 49G.
Formula library program.
Calculates the area of a triangle given the length of its sides. Nice input form plus it detects when the sides don't enclose a triangle shape.
For creating, editing, seeing and working with equations. Includes some of the equations from 
A big database of mathematical formulas that may help the user.
Math equations collection. Created with Asistente para Menú Fácil v2.2.
This program calculates the Fourier series of a periodic function. Does not auto-attach, so you need to manually do a :0:1510 ATTACH.
Simple program for converting degrees/minutes/seconds.
Calculates the hypergeometric function using a discrete variable. Useful for statistics. Written in User RPL.
Calculates the factors of compound interest and gradient factors used in engineering economics.
All the material of algebra, physics, chemistry, and calculus corresponding to the first year of civil engineering at the University of Concepcion, Chile.
Good program to solve trigonometric exercises.
Yet another interpolation program. Messes with your calculator's settings.
Linear interpolation library.
Program to easily make Karnaugh diagrams, with the ability to print to the HP 82240B infrared printer. Written totally in System RPL for the 49g+ and 50g.
Library of equations for the HP 49 that's better than EQNLIB of the HP 48.
Implements linear algebra functions not built into the 48G/GX or 49/50. Includes factorization commands (Cholesky factorization, Full-Rank factorization), vector space tools (Null Space, Column Space, Eigen-space), symbolic matrix building commands, Projection Operator commands, Matrix Generation commands (including the Hilbert matrix and its inverse, the duplication matrix, the commutation matrix, and others), miscellaneous linear algebra commands (rank, pseudo-inverse (or generalized inverse), Kronecker product, matrix exponentiation, and others).
Graph any XY table.
This program solves differential equations using Euler, Euler modified and Runge-Kutta.
MFUN calculates functions of square matrices through application of the Cayley-Hamilton Theorem. If the calculator is exact mode, the program attempts to calculate the function exactly, but if the eigenvalues of A cannot be found exactly, the program continues in approximate mode. The HP 49G and 49g+ are supported.
A library for numerical methods. Contains programs for Bisection, Newton-Raphson, False Position, Fixed Point, Aitken, Newton for systems of non linear equations, Cholesky, Krylov, Taylor Series, Euler-Gauss, Runge-Kutta among others.
Contains "Newton Raphson", "Second Order Newton", "Fixed Point", "Tanteo", and "Steffensen" iterative methods for solve any equations. It needs one initial value and it gives you the result and error. In addition it give you a table with the iterations realized.
Contains "Secant", "Bisection", "False Position", and "Linear Interpolation" iterative methods for solve any equations. It needs two initial values and it gives you the result and error; in addition, it gives you a table with the iterations realized.
Calculates the values, the equation and the graph for least squares.
A program for fitting data.
Given the polar equation of the trajectory, angular velocity and angular acceleration, calculates the main velocities and accelerations (radial and transverse) of a particle. Also calculates "r dot" "r dot dot" and the angle between the tangential and radial axis.
A computer aided assessment package that enables students to practice problems and do tests on the calculator. Results are saved to files on an SD card. Aimed at teaching students in secondary (high) schools math tests. Tests are grouped according to the following topics: algebra, calculus, complex, discrete, financial, geometry, matrices, number, probability, relations, and statistics. Designed to be run off an SD card only. Includes PDF documentation.
The library NR48/49 uses the Newton Raphson method to find the solution of equations of a variable.
Briefly, NUMAQ's goal is to calculate the amount of machines needed per workstation to produce a certain amount of products in a given time horizon. Industrial Engineering related. English and Spanish version of the program are available in the ZIP file. Also, detailed PDF manuals in both English and Spanish. It doesn't mess with your calculator settings. For HP 49g+ and HP 50g (needs 131x80 display).
Solves equations using the Test and Bisection method.
A directory with various math class utilities. Includes PCWYZ, which is a simple piecewise function that is good for intermediate algebra students, a good quadratic equation solver (QUADSOLVR), and PCALC, a graphing utility complete with rectangle approximation graph and integral approximation.
Performs forecasts with smoothing. Exponential fitted and simple.
This is a small library (written in User RPL) that complements the finance tools already included in the HP 49G. This package can calculate the Internal Rate of Return given a Cash Flow or the Net Present Value given a Cash Flow and a discount rate. It also calculates annuities and perpetuities and gives their Present Value or Future Value.
Graphical program that solves any triangle. Messes with your calculator's settings.
Transforms any natural number between 0 and 1E12 to its expression in Roman numbers and vice versa. Written in assembly language, so it's VERY fast.
For an irregular polygon, this program takes a matrix from the stack and calculates the centroid, area, second moments of area, radii of gyration, principal moments of area, principal axes, and provides a graphical outline of the section indicating the origin and centroid.
This program makes a series with algorithm of Taylor and Maclaurin.
Converts any type of unit to the corresponding International System (SI) unit in the most compact form possible. It is, in certain manner, the UBASE inverse command.
Solve triangles given three values, with an entry in the menu NUM.SLV. Based on the aplet from the 40gs.
Equation solver manager.
Special Functions 2 expands on the Special Functions library, and contains new functions which include Set Theory (Union, Intersect, Relative Compliment), Complex Analysis (Derivative [Cauchy-Reimann Equation Test], Gradient), Stopwatch, more special functions (Si, Ci, Li, Ei, GD, Zeta, now with Roman Factorial, Pochhammer Function), Number Theory (Perfect Integer test, Arithmetic-Geometric Mean, Bernoulli Numbers [5 decimal place approx], and Fibonacci Numbers), a two week calendar, Finance (including net present value, internal rate of return, depreciation, net future value, PITI), and more.
When in the EQuation Writer Environment and you press CUSTOM in User Mode, then the EQW starts STARTEQW program in your HOME directory. This utility gives you nested menus with commands to aid you in symbolic/numeric math, new commands and utilities otherwise not available in the EQW.
Easy to use, Simplex algorithm solution.
Replacement table of values program which is in some ways better and other ways worse than the built in table of values program.
For waiting lines or queues, this program will help solve the various cases. Designed for the 49g+ and 50g only.
Gives a Fourier Trigonometric or Complex Series of a periodic function, as well as tables of Fourier and Laplace Transform, written in 100% User RPL.
Triangle program that uses 3 connected values to solve for all sides and angles, supporting Side Angle Side, Angle Side Angle, or Side Side Side, and then draws a scaled triangle on the display with values.
A trig library which will solve for any valid triangle. It uses a modified version of INPUTLINE to maintain the screen. Inputs and outputs can be in either Deg.Dec or HMS, with options for echoing to and from the stack. Supports normal display options fraction mark, and std/eng/sci, etc. Written in System RPL and compatible with ROM 2.0 and up.
This program calculates the unknown sides and angles of a given triangle once a sufficient amount of information has been entered. In addition, the area of the triangle is calculated and a scaled diagram is displayed. For the 50g. 
Turing machines are extremely basic symbol-manipulating devices which, despite their simplicity, can be adapted to simulate the logic of any computer that could possibly be constructed. This program can simulate steps processing a basic Turing Machine script, showing the tape after each step.
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Allows a complete customization of the UNITS system. One may add user-defined units to the unit categories. User units are treated like built-ins, i.e., the famous 3-fold functionality of a unit key applies to an integrated user-units as well. In addition, one may reorganize a units menu, i.e., reorder it or purge not needed units. The same can be done with the whole bundle of unit directories to which new ones may be added ad libitum. Now contains HTML documentation.
A complete set of unit utilities (utools). Includes a full-screen menu for fast access to 54 (49g+/50g) or 42 (HP 49G/48gII) user-selected units, a configurable inverse UBASE command, handling of general non-SI base units (cgs, English, Planck etc), re-implementations of MUC and other HP 48 unit utilities. Requires ROM 2.00 on the 49g+/48gII/50g.
Performs material resistance calculations by taking a square matrix and calculating its eigenvectors and eigenvalues, just like EGV, but it changes the vectors for the unitary ones (with the same direction) and, if three-dimensional, checks if they form a direct reference system..
Works with vectors.
Takes out the Wronskian from any number of functions that are put in.