This deal has ended.
Digital Foto Club selling via Buy.com drops the price of the 600 Function HP 39gs Graphic Calculator from $79.99 to $36.99 with free shipping. That is the lowest price we found for this calculator by $13. This battery-powered calculator has an adjustable-contrast split screen. The 255KB of built-in memory mean you can save work for later. There is no sales tax (except CA, MA, MD, NY, and TN).