Matrix and Vector TI89 App with Step by Step Solutions

Solve Matrix questions stepwise using the TI89 Calculator

Scroll down to select APP and observe the provided
Step by Step solutions to the right. It is worldwide
the only Math software that can do this!!!   

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Solve any Matrix or Vector problem instantly.
  • The most comprehensive Matrix/Vector APP for calculators.

  • Users have boosted their Matrix/Vector knowledge.

  • Ideal for quick review in all Matrix and Linear Algebra classes.

  • Easy to use. Just plug in the matrix/vector and the correct answer shows.


User Testimonial O.W.:

This software is the greatest of the world!

User Testimonial A.T.:
I must say though, I've been playing with this software for a couple of hours already and it's been great. I really want to thank you infinitely for this. Its made me understand a few things way easier seeing it step by step. Especially since we don't have tutors standing by 24/7 , this is great. I love it a lot.

1) Matrices

  • Enter (Random) Matrices A and B easily (MME has its own Matrix Editor) under F1:,

  • Ideal for Matrix and Vector Classes.

  • View A,B,AT, BT , even as Binary or Hexadecimal numbers, etc

  • Perform 30+ Matrix Computations (under F2) such as A+B, A-B, k*A, A*B, B*A, A-1, det(A), Eigenvalues, LU and QR - Factorization, Norm, Trace,  more .

  • Step by Step - Simplex Algorithm.

  • Step by Step - Gaussian Elimination.

  • Step by Step - Find Inverse

  • Step by Step - Find Determinant

  • Step by Step - Row Echelon and Reversal (REF and RREF)

  • Step by Step - Cramer Rule

  • Step by Step - EigenValues and EigenVectors.

  • Step by Step - Square Root Matrix

  • Step by Step - LU Decomposition (Factorization)

  • Solve any n by n system of equations. 

  • Step by Step - Analytic Geometry: Vectors, Lines , Planes  

  • Rotation Matrices, Magic Squares and much more.

  • OrthoNormal Basis

  • Nullity, Null-, Row- and ColumnSpace Basis.

  • Cross and Dot Product, UnitVector, Angle between Vectors

  • Projection A onto B, Distance A to B,  etc ...

  • Vector Differentiation and Integration

  • Test Orthogonality, Find Orthogonal Vector, Test Independence

  • Read Documentation here.

Matrices - Editing and Computing

Step by Step Determinant
Step by Step Inverse
Step by Step RowEcholon
Step by Step ReverseRowEcholon
 Step by Step Solve a 2x2 System
Step by Step Cramers Rule
Step by Step Simplex Algorithm,

View 2 detailed examples.

Rotations using Matrices
Magic Squares (here 4x4)
     2) Vectors 
  • Vectors are edited under F1 as well.
  • Under F4, Read about vectors, graph vector A or A+B . 
  • Find angle betw. A and  x-axis or betw. A and vector B
  • Find Distance A to B , Project A onto B 
  • Compute Length(A),

  • Compute Unit vectors.



  • CrossProduct,

  • DotProduct

  • more 

  3) Relax and play Yahtzee

       4) Get it now.