In the past, Pacific Tech has released many free upgrades. However, to support continued development it has become necessary to charge for new releases. Consider your upgrade purchase as a vote for continued support and development of the software.

• If you ordered Graphing Calculator within the last two years, contact  for a free upgrade. Do not place an order unless you wish to pay for the upgrade.
   
• Institutions which have purchased multiple-copy licenses should contact for upgrade pricing.
   
• If you have purchased Graphing Calculator 4 for macOS, upgrade to version 5.0 here for $30.
   
• Otherwise, go here to place an order.