Ti-84 silver edition calculator emulator
download directions:

1. download the Ti-84 Operating System (.rom file) - here
2. download this software to use the calculator  for a PC - here or for a MAC - here
   
3. watch this video to see how to operate the calculator - https://www.youtube.com/watch?v=8FbN-iSRiCE
4. if you can not see the calculator body = choose VIEW --> enable skin

or
web-based graphing calculator - click here

Calculator TUTORIAL VIDEOS!!
Basic Button Tutorial for Ti-84 calculator - START HERE
Using the Ti-84 topic tutorials - Watch these for review!
Choose your topic: (old Ti-83 calculator shown, but same technique as Ti-84)
Choose your topic: (Ti-84 shown)

TUTORIAL:  Using the calculator to graph Linear Equations
TUTORIAL: Graphing more than one equation on the calculator
TUTORIAL: Graphing Absolute Value Equations
TUTORIAL: Graphing Inequalities

PRACTICE using the calculator with these sample questions

standard scientific calculator  - with graphing option
graph paper
coordinate axes

TUTORIAL: Graphing Systems of Linear Equations
TUTORIAL: Systems of Linear and Quadratic Equations
TUTORIAL: Graphing Square Root Functions
TUTORIAL: Finding the Line of Best Fit  (LinReg Linear Regression)
TUTORIAL: Finding Maximum or Minimum Values

TUTORIAL: Graphing Piecewise-Defined Functions
TUTORIAL: Statistics- Mean, Min,  Q1, Med, Q3, Max
TUTORIAL: Box-and-whisker Plots
TUTORIAL:  Radical Exponents
TUTORIAL: Simplifying Rational Expressions (check step)

TUTORIAL:  Standard Deviation - Normal Curve