| Name | Size | Date | Rating | Description |
| (Parent Dir) | folder | Up to TI-89 BASIC Math Programs |
 | lneqtool.zip | 354k | 17-10-24 |  | Linear Equation ToolLinear Equation Tool. Only for the TI-89 Titanium. Allows you to input linear equations in many ways and convert them to other forms, get inverse, perpendicular, or even inverse perpendicular equations, and more. |
 | dh.zip | 1k | 12-01-08 | | Denavit-Hartenberg Transformation MatrixHomogeneous transformation matrix from Denavit-Hartenberg parameters (dh.89f or dh.v2f) Creates a 4x4 homogeneous transformation matrix from given DH parameters. See http://en.wikipedia.org/wiki/Denavit%E2%80%93Hartenberg_parameters for more information. |
| dual.zip | 21k | 11-11-12 | | Dual This program finds the dual of a linear program. The program is self-explanatory, with examples on each dialog box. The program leaves no clutter. |
| mat2eqn.zip | 7k | 11-11-12 | | Matrix to System of EquationsThis function inputs a list or matrix and returns as a system of equations. For example, [3,4,5] can become 3x1+4x2=5. Syntax: mat2eqn(Matrix or List,Variable,Row(1 for Lists),"Equality"). The syntax for the above example is: mat2eqn([3,4,5],x,1,"=") |
| matmul.zip | 1k | 11-08-01 | | Matrices multiplicationA small program which multiplies two given matrices, showing all steps. |
 | csolve_n.zip | 278k | 11-04-24 | | Solve n x n Systems of Non-Linear EquationsThis new version of cSolve_n() finds real and complex solutions of n x n systems of non-linear equations. Some trig equations can be handled, but no more than one unknown angle. The number of equations is no longer limited to 3 and unknowns are not limited to x, y, and z. The program is basically a version of the TI Solve and cSolve functions, but is easier to use (no variable list to enter). Domain restrictions, such as x > 0 or θ > -π and θ ≤ π, can be entered. All entries can be edited. If there are more unknowns than equations, you can choose which to solve for, so symbolic solutions can be found. |
| ginv.zip | 107k | 11-02-18 | | ginvThe program computes the generalized inverse of a mxn real matrix |
| rnsp.zip | 77k | 11-02-18 | | rnspThe program computes basis for range and null space of a mxn matrix |
| range.zip | 1k | 11-01-28 | | RangeFind the range of a list or matrix of data (largest value minus the smallest value). |
| mlsum.zip | 1k | 11-01-28 | | Matrix and List SumThis function returns the sum of all the elements in a matrix or list. It is different than the sum() function because sum() returns the sum of each column in a matrix. |
| mlprod.zip | 1k | 11-01-28 | | Matrix and List ProductThis function returns the product of all the elements in a list or matrix. It is different than the product() function because product() returns the product of each column of a matrix. |
| eigenvecexpara.zip | 7k | 10-04-29 | | Eigenvectors (Exact and Parametrized)Given any nxn matrix, returns a matrix where the first row contains the matrix's eigenvalues and the columns below them are the corresponding eigenvectors. Handles an [almost] infinite number of parameters. Eigenvectors are not normalized (that should be easy enough to do on your own). |
| curldivergence.zip | 1k | 09-12-16 | | Curl & DivergenceCurl and divergence are 2 important calculations in vector calculus. Enter the x,y,z components of a vectors as parameters and display the curl and divergence. |
| unitvector3.zip | 1k | 09-10-22 | | Normalize 3D VectorEnter the 3 components of the vector, unitvect(x,y,z) and return the unit, normalized vector of the same direction. |
| crosprod.zip | 1k | 09-09-30 | | Cross Product 3Denter 2 vectors as the paramters, crosprod(x1,y1,z1,x2,y2,x2), and get the cross product vector result of x |
| main.van2.zip | 1k | 08-04-14 | | Vector Angle 2DThis determines the angle between to vectors. The syntax is : van2(x1,y1,x2,y2,OriginX,OriginY). Enjoy! |
| wronskian.zip | 1k | 07-12-06 | | The WronskianThe Wronskian is the determinant of a matrix used to determine whether two functions, or two solutions of a differential equation, are linearly dependent or linearly independent. |
| vec2d_eq.zip | 7k | 06-10-15 | | 2-D Vector Equation SolverThis program solves equations involving 2-dimensional vectors with no more than one unknown angle. Vectors must be entered in polar form (magnitude and direction), with angles in degrees. For vector equations which just require the resultant of any number of known vectors (A+3B-5C+...=R), a running vector sum is displayed and the final result is copied to the home screen, in both rectangular and polar form. Other vector equations must be put into the form of a sum of vectors =0 (A+2B-4C+D+... =0). Results are displayed with angles in radians with an option to convert to degrees. |
| vec_non3.zip | 19k | 06-10-15 | | Solve Systems of Non-Linear Equations & 2-D Vector EquationThis update changes Vec_non3() so that it now just calls up Solvnon3() or Vec2d_eq() to solve systems of non-linear equations or 2 dimensional vector equations. This results in the vector part being easier to use. It solves vector equations (with no more than one unknown angle). It finds real solutions of n x n systems of simultaneous, non-linear equations, for n=1,2,3. It can handle various types of equations, including trigonometric equations (with no more than one unknown angle). The unknowns must be represented by x, y, and z. Any unknown angle must be represented by x. The domains of x, y, and z can be set as desired. For angles, the default domain is 0 to 2pi, but can be set by quadrants, or any values you want. Solutions are copied to the home screen, so they can be more easily used in further calculations. |
 | charmat.zip | 70k | 06-10-15 | | Matrix CharacteristicIts a very simple and light function that calculates the characteristic of a matrix that is the dimension of the biggest contained determinant. |
| solvnon3.zip | 4k | 06-09-24 | | Solve Systems of Non-Linear EquationsThis update fixes a couple of minor problems. This program is intended to find real solutions of n x n systems of simultaneous, non-linear equations, for n=1,2,3. It can handle various types of equations, including trigonometric equations (with no more than one unknown angle). The unknowns must be represented by x, y, and z. Any unknown angle must be represented by x. The domains of x, y, and z can be set as desired. For angles, the default domain is 0 to 2pi, but can be set by quadrants, or any values you want. Solutions are copied to the home screen, so they can be more easily used in further calculations. |
| vectoreqnfinder.zip | 1k | 06-06-19 | | Plane Equation FinderThis includes two programs that find the equation of a plane that is described either i) by three points ii) by two vectors on the plane and a point on the plane. |
| vectors2go.zip | 24k | 05-12-24 | | Vectors2GoEver wished you had all the complex vector functions right at your fingertips? Well... your wish is now granted! This baby contains all the four major vector functions including gradient, curl, divergence, and the laplacian. Plus, the file also includes a function that finds the angle between any two vectors. And that's not all!, it also has a special bonus function called the "inverse gradient" function which finds the VECTOR POTENTIAL of a conservative vector field!! A must for anyone who's taking vector calculus. :-) |
| gaussj.zip | 1k | 05-12-12 | | Gauss JordanThis is a program that does Gauss Jordan by step analysis, its great because this usually takes a long time to do it by hand... How to use is written inside :) |
| gramschmidtcalculator.zip | 1k | 05-11-19 | | Gram-Schmidt Calculatorgrsch() is a function which accepts an MxN matrix as its argument. The function returns an MxN matrix whose column vectors are a set of orthogonal vectors which are computed from the argument using the Gram-Schmidt process. For example,If the column vectors of the argument are the basis of some subspace, then the column vectors of the returned matrix form an orthogonal basis for the same subspace. It would be nice if the function could work with a list of vectors, but, in the ti-89 a list can not have vectors as elements. |
| simplext_pivot.zip | 10k | 05-03-09 | | Simplex Solver 1.0This program solves maximization matricies given a matrix witht he Simplex method. Includes helper programs for step-by-step pivoting and improving. Written by Patrick Horn. |
| gramschmidt.zip | 1k | 04-12-01 | | Gram Schmidt ProcessGram Schmidt returns orthonormal basis from a linearly independent matrix. this func is limited to 6 dimensional evaluation but with a little work could easily be modified to extended versions. see 89txt file attached for more info. please email me with any suggestions or comments [email protected] |
| eigensolvers.zip | 1k | 04-12-01 | | Eigen SolversEigen solvers contains 3 files, a eigen value func, a eigen vector func, and a characteristic polynomial func for fun. the eigs will return appropriate N eigen roots and then eigr will return rref of eigen null space. see 89txt file attached for more info. please email me with any suggestions or comments [email protected] |
| param.zip | 1k | 04-09-06 | | S-, Y-, Z-Parameter convertionyou?re sitting on a matrix of s-parameters and you cannot find the formulas to recalc the z-params? Here is one solution. |
| stepmat89.zip | 57k | 04-09-06 | | Step Matrix v 1.02The program returns the reduced row echelon form of a matrix (n,n+1) or the inverse of a square matrix (also with undefined variables) step-by-step choosing automatically, stores all steps (if you want) and checks the result for maximum certainly. |
| routh.zip | 6k | 04-03-28 | | Routh v. 2.00The function analyzes the stability of a transfer function calculating poles signs and returns the Routh table of polynomial expression, also with parameters. It's ideal for exams. Now with a new algorithm for better intelligible results. |
| simul_mn.zip | 7k | 04-02-27 | | Simultaneous Linear Equation SolverThis program provides modified input, output, and editing systems for the TI Flash Apps Simultaneous Equation Solver. This update addresses 2 problems. 1. The lockup problem sometimes encountered when using complex coefficients in the Apps program. In Simul_mn() v. 1.2, complex coefficients can be now entered in either polar or rectangular form. Results can be toggled between polar and rectangular. 2. The alpha lock problem which occurred ( even with autoaoff() installed ) when the program was run by using Catalog, F4. Alpha lock now remains off. Results are copied to the home screen. Results and the original augmented matrix are saved automatically. This eliminates the bother of naming a variable each time you save results. Coefficients can be entered directly or as a previously stored augmented matrix. Coefficients can be edited by rows. Results can be toggled between auto or approximate form. Solutions to dependent systems are given in terms of arbitrary constants. To use Simul_mn(), you must have TI Flash Apps Simultaneous Equation Solver installed on your calculator. |
| vecdraw.zip | 5k | 03-12-14 | | Vector Addition with Vector DiagramsThis is a program which calculates and diagrams the sum of any number of 2-dimensional vectors. This update allows the input of vectors (or complex numbers) in either polar or rectangular form. To simplify keystrokes, that is, to avoid hunting for the angle symbol, Ð, polar form is entered as r,, q and rectangular components as x,y. Note the use of 2 commas instead of , Ð in polar form. Entries can be edited. Results are copied to the home screen in both forms. After all vectors are entered, the vector sum is displayed and two types of vector diagrams are drawn. The first diagram displays each of the vectors in standard position at the origin. The second diagram is the vector polygon formed by the vectors and their resultant. The vector sum is copied to the home screen. |
| vecadd.zip | 8k | 03-12-14 | | Vector AdditionThis program calculates a running vector sum of any number of 2-dimensional vectors. This update allows the input of vectors (or complex numbers) in either polar or rectangular form. To simplify keystrokes, that is, to avoid hunting for the angle symbol, Ð, polar form is entered as r,,q and rectangular components as x,y. Note the use of 2 commas instead of , Ð in polar form. Entries can be edited. As each vector is entered, the sum of all vectors entered to that point is displayed. Subtraction can be included by entering the magnitude as a negative quantity. Results are copied to the home screen in both forms. This update also addresses the alpha lock problem which occurred ( even with autoaoff() installed ) when the program was run by using Catalog, F4. Alpha lock now remains off. |
| routh89.zip | 6k | 03-11-29 | | RouthThe function analyzes the stability of a transfer function calculating poles signs. The function returns the Routh table of a polynomial expression also with parameters. It's ideal for exams. |
| mag.zip | 1k | 03-11-18 | | Vector Magnitudemag is a simple function that takes a vector as an argument and returns the magnitude of that vector. Great for vector calculus and physics! |
| jacobian.zip | 1k | 03-11-18 | | Jacobianjacobian is a function that returns the jacobian of a set of functions. This program makes multi variable calculus MUCH easier! |
| ang.zip | 1k | 03-11-18 | | Vector-valued function angleThis function is used to calculate the angle between two any-dimensional vector valued functions. |
| vectorfield.zip | 1k | 03-11-16 | | Vector Field PlotterPlots a vector field on graph window with directional arrows included. Vectors can also be scaled by any factor desired. |
| normvect.zip | 1k | 03-10-23 | | Normal VectorsCalculates the Unit-Normal and Unit-Binormal vectors for a given vector-valued function (see readme for details and an example) |
| curvatur.zip | 1k | 03-10-23 | | CurvatureCalculates the curvature of a vector-valued function (see readme for details and an example) |
| mtrxedtr.zip | 2k | 03-10-19 | | Matrix EditorThis is an update of Mtrxedtr(). This program is a matrix editor, which I use as an alternative to the TI-89 Data/Matrix Editor. I use it as a keyboard program so it's easier to access and use than the Data/Matrix Editor. You can create and edit a matrix, edit an existing matrix, insert rows or columns, and check dimensions easily even when the matrix is too large for the screen. You don't have to name the matrix before it is created so you save a few steps and time. The matrix is automatically saved as "z", unless you choose to change it. This update improves the editing process and changes the display to allow you to scroll through a large matrix. |
| vectorsolve15.zip | 7k | 03-04-30 | | VectorSolve v1.5**Tested for AMS 2.05** This program is of excellent quality that can solve any of your vector problems. It truly is the best vector program on the web. List of functions include dot product, cross product, magnitude, unit vector, angle between two vectors, and addition and subtraction and their magnitudes. If you have this program, you will not need any other help for vector programs!!! |
| vectorsolve.zip | 1k | 03-04-04 | | VectorSolve v1.2This is the most comprehensive and inclusive vector program on the web. It contains functions for both 2 dimensions and 3 dimensions and is a real aide in homework and on tests!!! |
| matrixso89.zip | 1k | 03-03-18 | | a matrix solverthis program, made by michael youssef, solves matrix's. very very very useful! email me at [email protected] |
| ster.zip | 1k | 03-03-09 | | Sterling's Triangle CreatorThis program just creates a sterling's triangle with specified number of rows and stores it in a matrix. |
| gaussjordan.zip | 3k | 03-03-07 | | Gauss-Jordan-SimplexThe Programm can do invers matrix, Gauss-Jordan for solving linear Equation systems, and linear optimization using the Simplexalgorithm... Description in English and German! |
| eigvl89.zip | 1k | 03-03-06 | | Symbolic Eigenvalue Finderreturns the eigenvalues of a square matrix |
| pseudoinverse89.zip | 1k | 03-03-06 | | Matrix Pseudoinverse Functionreturns the pseudoinverse of a matrix |
| cpol.zip | 1k | 03-03-05 | | Palynomial of a MatrixThis function calculates symbolically the polynomial of a matrix |
| ev.zip | 1k | 03-03-05 | | Eigen Values of a MatrixThis function calculates symbolically the eigen values of a matrix. Really easy and quick |
| solve_n.zip | 3k | 03-02-11 | | Solve Systems of EquationsThis is an update which replaces the previous versions of both Solve_n() and Csolve_n(). This program finds real and complex solutions of a system of n simultaneous equations in x, y, and z, where n
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