Graphing
Looking for high-quality refurbished graphing calculators? Porter Electronics offers a wide selection of graphing calculators that have been professionally restored to like-new condition. Whether you're a student, professional, or teacher, our refurbished graphing calculators provide excellent performance at a fraction of the cost of a new device.
Our refurbished graphing calculators are a budget-friendly option for those who need advanced mathematical functionalities without breaking the bank. From popular brands like Texas Instruments, Casio, and HP, our products undergo rigorous testing and quality checks to ensure they meet our strict standards. You can trust Porter Electronics to deliver reliable and affordable graphing calculators that help you excel in your field.
Upgrade your calculating capabilities with our refurbished graphing calculators today. With a focus on affordability and quality, Porter Electronics offers a reliable solution for individuals seeking powerful calculation tools without the hefty price tag. Explore our range of refurbished graphing calculators and experience top-notch performance at a fraction of the cost.
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On Sale
ORIGINAL Soft Case for HP 50G/48G/48G+/48GX/49G+ Graphing Calculators
HP
Now: $49.00Was: $79.99ORIGINAL Soft Case for HP 50G/48G/48G+/48GX/49G+ Graphing Calculators - Listing is for a previously used original HP case in great condition.Now: $49.00Was: $79.99 -
TDS Surveying Pro Card for use with HP 48GX Calculator
TDS
$279.99TDS Surveying Pro Card for use with HP 48GX Calculator$279.99 -
TDS Surveying GX Card for use with HP 48GX Calculator
TDS
$279.99TDS Surveying GX Card for use with HP 48GX Calculator$279.99 -
On Sale
256K RAM Card for HP 48GX Calculators
Hewlett Packard
Now: $219.99Was: $249.99256K RAM Card for HP 48GX CalculatorsNow: $219.99Was: $249.99 -
On Sale
512K RAM Card for HP 48GX Calculators
HP
Now: $249.99Was: $279.99512K RAM Card for HP 48GX CalculatorsNow: $249.99Was: $279.99 -
On Sale
HP-50G Graphing Calculator
Hewlett Packard
Now: $279.99Was: $299.99HP 50G Graphing Calculator - Used Item IN STOCK and in good condition. All items have been previously used, but have been fully tested and include a 90 day exchange warranty. Since this is a used Item, it may show some minor signs of use but should not...Now: $279.99Was: $299.99 -
TDS COGO Survey Card and Overlay for HP 48GX Calculators
TDS
$279.99TDS COGO Survey Card for HP 48GX Calculators$279.99 -
On Sale
HP 82240B Enhanced Infrared Printer for HP Calculators
Hewlett Packard
Now: $199.99Was: $229.99HP 82240B Enhanced Infrared Printer for HP Calculators - Used Item IN STOCK and in good condition. All items have been previously used, but have been fully tested and include a 90 day exchange warranty. Includes calculator, new batteries and manual...Now: $199.99Was: $229.99 -
On Sale
HP 48GX Calculator
Hewlett Packard
Now: $349.99Was: $389.99HP-48Gx Graphing Calculator - IN STOCK and ready to ship. This is a refurbished item that comes with a 90-day exchange warranty. This has been serviced and calibrated to work as new. Servicing can include replacement of belts, gears, capacitors,...Now: $349.99Was: $389.99 -
On Sale
HP-48G Graphing Calculator
Hewlett Packard
Now: $229.99Was: $249.99HP 48G Graphing Calculator - Used Item IN STOCK and in good condition. All items have been previously used, but have been fully tested and include a 90 day exchange warranty. Since this is a used Item, it may show some minor signs of use but should not...Now: $229.99Was: $249.99 -
On Sale
HP-48G+ Graphic Calculator
Hewlett Packard
Now: $329.99Was: $349.99HP 48G+ Graphic Calculator - Used Item IN STOCK and in good condition. All items have been previously used, but have been fully tested and include a 90 day exchange warranty. Since this is a used Item, it may show some minor signs of use but should not...Now: $329.99Was: $349.99