TI-84Plus

• 13 preloaded Handheld
• Software Applications (Apps),
  including Cabri® Jr.
• 3x the memory of the TI-83Plus
• Compatibility with TI
  presentation tools*
• A built-in USB port with cable
• 2.5 x the speed of the TI-83Plus
• High-contrast display
  

Free

• USB Cable with every purchase of a TI-84Plus calculator
• USB that plugs into unit-to-unit link cable with compatible TI graphing calculators
  

TI-Nspire™

• 16mb of computing memory
  (~85 times TI-89T) • ~20mb of
  storage memory (~7 times TI-89T)
• 320 x 240 pixel gray-scale display
  (nearly 5 x resolution of TI-89T)
• NavPad cursor controls for easy
  “mouse like” pointer movement
  and selection
• Keypad with individual letter keys
  for fast entry
• Link with another TI-Nspire CAS+
  handheld through TI connectivity
  standard mini-A to Mini-B USB
  cable
• TI connectivity cable USB included
  for handheld to computer connectivity
• Electronically upgradeable graphing
  technology allows you to have the
  most up to date functionality and
  software applications
• International key for input of
  accented non-English characters.
  eg., é, ü, å
• Compatibility with TI-Nspire™
• CAS+ ViewScreen™ panel for
  classroom presentation
• Imapct-resistant slide case
• Powered by 4 AAA batteries
  

TI-89 Titanium

• 16 preloaded Graphing calculator
• Software Applications (Apps),
  including EE*Pro®, CellSheet™ &
  NoteFolio™
• 3 x the Flash memory of the
• TI-89
• Built-in USB port with cable
  CD with operating manual
• All of the features & functionality
  of the TI-89
• Preloaded with Official AP
• Calculus exam review questions