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# ▷Linear Algebra Made Easy - Step by Step with the TI-Nspire CX (CAS)◁

## Solve Linear Algebra problems stepwise using the Ti-Nspire Calculator

Runs on TI-Nspire CX CAS only.
It does not run on computers!
 TI-Nspire CX CAS

App Purchase
Enter the last 8 digits of your 27-digit TI-Nspire's Product ID.

Located under 5:Settings → 4:Status → About

ID may look like: 1008000007206E210B0BD92F455. HELP.
If this was your ID you would only type in BD92F455.

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Description

• Enter Matrices A and B easily
• Perform 30+ Matrix Computations such as A+B, A-B, k*A, A*B, B*A, A-1, det(A), Eigenvalues, LU and QR - Factorization, Norm, Trace.
• 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 - Cramer Rule
• Step by Step - EigenValues and EigenVectors.
• Step by Step - Square Root Matrix
• Solve any n by n system of equations.
• Rotation Matrices, Magic Squares and much more.
• Step by Step - Solve AX=B
• Step by Step - OrthoNormal Basis
• Step by Step - Range, Kernel
• Test 2x2 Matrices for Independence
• 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

and much more..

FUNCTIONALITY & MENU ITEMS OF APP :

MATRIX1
• All in One Matrix Analyzer
• A + B
• A * B
• k*A
• Symmetry(A)
• Minor

• MATRIX2
• Row Echolon
• Reverse Row Echolon
• Gauss Elimination
• Find EigenValues
• Find EigenVectors
• Find Orthonormal Basis
• Gram Schmidt Procedure
• Find Inverse via RREF
• Find Inverse via Formula
• Find Determinant via Diagonal
• Find Determinant via formula
• Find Trace
• Test 2x2 Matrices for Independence

• APPLICATIONS
• LU Decomposition & solve A*X=B
• Solve A*X=B
• Solve A*X=B with 1 Parameter
• Cramer Rule to solve A*X=B
• Simpson Algorithm
• Coding: En/Decode Messages
• Rotate a point via Matrices
• Diagonalization
• LU Factorization
• QR Factorization
• v(A) - Square Root

• LINEAR ALGEBRA
• Span of Vectors
• Span of Polynomials
• Find Kernel
• Find Range
• Find Orthonormal Basis
• Find Nullity
• Find NullSpace Basis
• Find RowSpace Basis
• Find ColumnSpace Basis

• TRANSFORMATIONS

• VECTORS
• All in one Vector Explorer
• Find Norm
• All in one 2-Vectors Explorer
• Test of Orthogonality
• Find Angle between 2 Vectors
• Test of In/Dependence
• Projection of A to B
• Distance A to B
• Find Cross Product
• Find Orthogonal 3D Vector
• Differentiation & Integration