# Precalculus Made Easy - Step by Step with the TI-Nspire CX (CAS)

## Solve Precalculus 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.

At the end of the PayPal checkout, you will be sent an email containing your key and download instructions.

Description

• The most comprehensive PreCalculus APP for calculators.
• Users have boosted knowledge & grades.
• Ideal for quick review in all PreCalculus areas such as Functions (Polynomial, Exponential, Logarithmic and Trigonometric Functions), Trigonometry, Statistics, Discrete Mathematics, Algebra, Matrices, Complex Numbers, Sequences, Introductory Calculus.
• Easy to use. Just plug in the equation and the correct answer shows.

FUNCTIONALITY & MENU ITEMS OF APP :
• ALGEBRA
• Solve any Equation or Inequality
• Solve 2x2 system - Step by Step
• READ: PEMDAS - Order of Operation
• Simplify & Evaluate
• Factor
• Powers
• Expand/Distribute
• Find GCD & LCM
• Find Partial Fractions
• Find Common Denominator
• Find Proper Fractions
• Solve Proportion (Ratio) Problems
• Absolute and Percent Change

• FUNCTIONS
• All-in-one-Function Explorer
• Evaluate Function
• Find Domain of f(x)
• Find Range of f(x)
• Intersection of 2 Functions
• Find f+g
• Composition of 2 Functions f(g(x))
• Find [f(x+h)-f(x)]/h
• Find Inverse function

• POLYNOMIALS
• All-in-one-Polynomial Explorer
• Find Degree
• Find Roots
• Polynomial Division & Remainder
• Synthetic Division

• POINTS & LINES
• Find Slope
• Find y=mx+b
• Find Point Slope & y=mx+b given Pt & Slope
• Check if 2 Lines are Parallel or Perpendicular
• Find Parallel and Perpendicular Lines
• READ: Absolute Value Function |x|

• QUADRATIC EQUATIONS & COMPLEX NUMBERS
• Complete the Square
• Complete the Square to find Zeros
• Complete the Square to find Vertex
• One Complex Number : All-in-one-Explorer
• Two Complex Numbers : All-in-one-Explorer

• EXPONENTS & LOGARITHMS
• Solve any Equation
• Solve using the Rule 72
• Solve Money/Exponential Growth Problems
• Evaluate Logarithms
• Logarithm Solver
• Change of Base

• SEQUENCES & SERIES
• Explicit Sequence & Partial Sum
• Recursive Sequence & Partial Sum
• Sequence Formula Finder
• Geometric Sequence & Series
• Arithmetic Sequence
• Sigma S-Notation

• MATRICES
• All in one Matrix A Explorer
• Two Matrices: A+B
• Find the Inverse of A
• Find the Determinant of A
• Row Echolon(A)
• Reverse Row Echolon(A) - STEPS
• Solve System of Equations A*X=B
• Cramer Rule to solve A*X=B

• TRIGONOMETRY
• Solve any 90º Triangle
• Solve any triangle
• SSS-Case
• SAS-Case
• SSA-Case
• SAA-Case
• Evaluate sin(x)
• Check any Trig Identity
• READ: Sum to Product Identities
• READ: Product to Sum Identities
• READ: Sum & Difference Identities
• READ: Double & Half Angle Identities

• CIRCLES
• READ: Unit Circle: Angles & Coordinates
• READ: Circle Properties & Formulas
• Find Sector
• Arc Length Solver

• CONICS
• All-in-One Conic Analyzer

• INTRODUCTION TO CALCULUS
• Find [f(x+h)-f(x)]/h
• Average Rate of Change
• Find f'(x)=lim [f(x+h)-f(x)]/h as h->oo
• Derivatives and Tangentline