ACT Made Easy

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

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.

Price:$49.95

Slide Shows

Description

  • The most comprehensive ACT APP for TI Nspire CX calculators.
  • Users have boosted their ACT knowledge & scores.
  • Ideal for quick review in all ACT classes as well as classes involving Trigonometry, Statistics, Functions, Algebra, Matrices, Geometry, Complex Numbers, Sequences.
  • Easy to use. Just plug in the equation or numbers and the correct answer shows.

Algebra

  • Solve any Equation or Inequality
  • Solve 2×2 system – Step by Step
  • Solve 3×3 system – Step by Step
  • Read: PEMDAS – Order of Operation
  • Simplify & Evaluate
  • Factor Integers
  • Powers
  • Find GCD & LCM
  • Solve Proportion (Ratio) Problems
  • Absolute and Percent Change

Functions

  • Read: Definition of Function
  • All-in-one-Function Explorer
  • Evaluate Function
  • Intersection of 2 Functions
  • Find f+g
  • Composition of 2 Functions f(g(x))
  • Find [f(x+h)-f(x)]/h
  • Read: Interval Notation

Polynomials

  • All-in-one-Polynomial Explorer
  • Find Degree

Points and Lines

  • Find Slope
  • Find y=mx+b
  • Read: y=k*x
  • Read: Linear Functions
  • 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 and Complex Numbers

  • Do the Quadratic Equation
  • 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 and Logarithms

  • Read: Exponents & Rules
  • Solve any Equation
  • Solve using the Rule 72
  • Solve Money/Exponential Growth Problems
  • Read: Logarithms & Rules
  • 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

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

Circles

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

Trigonometry

  • Read: Intro
  • Solve any 90 degree Triangle
  • Read: 3 Laws
  • Solve any triangle
  • SSS-Case
  • SAS-Case
  • SSA-Case
  • SAA-Case
  • Evaluate sin(x)
  • � �

Geometry

  • 2D: Circle Solver
  • 2D: Find Sector
  • 2D: Arc Length Solver
  • 2D: Pythagorean Theorem
  • 2D: Triangle Solver
  • 2D: Square Solver
  • 2D: Rectangle Solver
  • 2D: Parallelogram Solver
  • 2D: Rhombus Solver
  • 2D: Trapezoid Solver
  • 3D: Sphere Solver
  • 3D: Cube Solver
  • 3D: Cylinder Solver
  • 3D: Cone Solver
  • 3D: Rectangular Prism Solver

Convert

  • Polar Coordinates <-> (x,y)
  • Degree <-> Radian
  • Degree to Degree/Minutes/Seconds
  • Revolution to Degree/Radian

SAT Specials

  • Sigma S-Notation
  • Count Integers given Range given N
  • Count Integers divisble by N and/or M
  • Integer Solutions to 1 Eqn. with 2 Variables
  • Integer Solutions to 1 Eqn. with 3 Variables