Calculators
Calculators in stock and sold by Porter Electronics
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TDS Surveying Pro Card for use with HP 48GX Calculator
TDS
$289.99TDS Surveying Pro Card for use with HP 48GX Calculator$289.99 -
TDS Surveying GX Card for use with HP 48GX Calculator
TDS
$289.99TDS Surveying GX Card for use with HP 48GX Calculator$289.99 -
On Sale
256K RAM Card for HP 48GX Calculators
Hewlett Packard
Now: $229.99Was: $259.99256K RAM Card for HP 48GX CalculatorsNow: $229.99Was: $259.99 -
On Sale
512K RAM Card for HP 48GX Calculators
HP
Now: $259.99Was: $289.99512K RAM Card for HP 48GX CalculatorsNow: $259.99Was: $289.99 -
On Sale
HP-50G Graphing Calculator
Hewlett Packard
Now: $289.99Was: $309.99HP 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: $289.99Was: $309.99 -
$159.99 -
$12.99 -
$11.99 -
$12.99 -
TDS COGO Survey Card and Overlay for HP 48GX Calculators
TDS
$289.99TDS COGO Survey Card for HP 48GX Calculators$289.99 -
On Sale
Texas Instruments TI-84 Plus Graphing Calculator
Texas Instruments
Now: $99.99Was: $109.99Texas Instruments TI-84 Plus 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...Now: $99.99Was: $109.99 -
Casio Algebra FX 2.0 Graphing Calculator
Casio
$159.99Casio Algebra FX 2.0 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...$159.99