Numerical Analysis TI89 App with Step by Step Solutions

Solve Numerics 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 Numerical Analysis problems instantly.
  • The most comprehensive Numerical Analysis APP for calculators.

  • Step by Step Numerical Integration using Simplex 1/3 and 3/8,
    Midpoint, Rectangle or Trapezoid Methods.

  • Step by Step Interpolation using Conventional way or Lagrange Polynomials

  • Step by Step Solving Linear Systems: Gauss Elimination

  • Step by Step Simplex Algorithm

  • Step by Step Square Root Matrix 

  • Step by Step Markov Chains

  • Step by Step Regression Analysis and Data Analysis 

  • Step by Step Bisection, Newton and Fixpoint Methods

  • Step by Step Quadratic Formula and Completing the Square

  • Step by Step Fourier and Taylor Series Analysis

  • Step by Step Partial Fractions

  • Step by Step RREF : Reduced Row Echelon Method

  • Step by Step Eigenvector and Eigenvalue

  • Step by Step Fixpoint Method

  • Step by Step Newton, Bisection Methods

  • Step by Step Gauss Quadrature

  • Any type of Statistical Regression

  • Numerical Differentiation using the
    differential quotient, also applied to partial derivatives.

  • Solve Differential Equations numerically using Euler, Improved Euler with predictor step, Ralston, Heun, Runge Kutta or Midpoint Method

  • Regula Falsi , False Position

  • Gauss Seidel Method

  • Pi Approximation

  • Orthogonal Polynomials

  • Simpson Method

  • Tangent and Secant Lines

  • Cholesky, LU and QR Factorization

  • Cofactor, Adjugate

  • Conversion: Decimal to Binary and Hexadecimal and back.  

  • Users have boosted their Numerical Analysis knowledge.

  • Ideal for quick review in all Numerical Analysis classes.

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


  • View a Movie of how to Edit a Matrix
    and perform ReverseRowEcholon (RREF) (3MB) 

User Testimonial O.W.:

This software is incredible: it allows me to solve any Numerical Analysis problem, typically step by step!  Plus:  I can carry the program with me at all times.  




1) Linear Systems

  • Enter Matrices A and B easily under F2:,

  • 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 - Gauss and Gauss Jordan Elimination

  • Step by Step - EigenValues and EigenVectors.

  • Step by Step - Square Root Matrix

  • Solve any n by n system of equations. 

  • Read Documentation here.

Matrices - Editing and Computing

Step by Step
EigenValues and EigenVectors
Step by Step Determinant
Step by Step Inverse
Step by Step RowEcholon
Step by Step ReverseRowEcholon
Step by Step ReverseRowEcholon symbolically.
 Step by Step Solve a 2x2 System
Step by Step Simplex Algorithm
more screenshots to come...  


       Download now.