Calculators
Calculators are essential tools that streamline various mathematical tasks, making them indispensable for students, professionals, and anyone in need of precise calculations. At Porter Electronics, we offer a diverse range of calculators tailored to suit every user’s needs, from basic arithmetic to complex scientific functions.
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On Sale
HP 41CX Programmable Scientific Calculator – Alphanumeric Display, RPN Logic, Extended Functions
HP
Now: $559.99Was: $589.99The HP 41CX is a legendary programmable scientific calculator that set the standard for advanced engineering, scientific, and technical computing. Featuring a full alphanumeric LCD display, Reverse Polish Notation (RPN) entry system, and an extensive...Now: $559.99Was: $589.99 -
On Sale
HP 35S Programmable Scientific Calculator
HP
Now: $509.99Was: $539.99Tackle complex calculations and programming tasks with the HP 35S, a robust scientific calculator trusted by students, engineers, and professionals. Featuring dual-entry logic (RPN and algebraic), two-line display, and programmable functions, this...Now: $509.99Was: $539.99 -
Texas Instruments Nspire CX CAS Graphing Calculator
Texas Instruments
MSRP: $149.99$144.88Unlock powerful math capabilities with the Texas Instruments Nspire CX CAS Graphing Calculator. Designed for advanced high school and college-level coursework, this calculator features a full-color backlit display, rechargeable battery, and a built-in...MSRP: $149.99$144.88 -
ORIGINAL Soft Case for HP 50G/48G/48G+/48GX/49G+ Graphing Calculators
HP
$12.00This Original HP Soft Case is designed specifically for the HP 50G, 48G, 48G+, 48GX, and 49G+ graphing calculators, providing durable protection in a lightweight and compact design. Made from high-quality materials, this genuine HP accessory keeps your...$12.00 -
On Sale
HP 32s RPN Scientific Calculator
Hewlett Packard
Now: $219.99Was: $259.99The HP 32S RPN Scientific Calculator is a classic, highly regarded tool for engineers, students, and professionals who demand precision and reliability. Designed with Reverse Polish Notation (RPN) input, the 32S delivers efficient data entry and reduced...Now: $219.99Was: $259.99 -
TDS Surveying Pro Card for use with HP 48GX Calculator
TDS
$329.99Equip your HP 48GX with the TDS Surveying Pro Card, a powerful plug-in module designed for professionals and students in surveying, civil engineering, and GIS. This robust card transforms your calculator into a full-featured field instrument capable of...$329.99 -
TDS Surveying GX Card for use with HP 48GX Calculator
TDS
$329.99Upgrade your HP 48GX calculator with the TDS Surveying GX Card, a powerful solution for land surveying and field data collection. This plug-in card enables advanced surveying features including topographic surveys, coordinate geometry (COGO), and...$329.99 -
On Sale
256K RAM Card for HP 48GX Calculators
Hewlett Packard
Now: $269.99Was: $299.99Upgrade your HP 48GX calculator with the TDS 256K RAM Card, offering extended storage for larger programs, complex calculations, and data-heavy tasks. This memory enhancement is perfect for engineers, students, and professionals seeking reliable...Now: $269.99Was: $299.99 -
On Sale
TDS 512K RAM Card for HP 48GX Calculators
HP
Now: $299.99Was: $329.99Expand the functionality of your HP 48GX calculator with the TDS 512K RAM Card. Built specifically for the HP 48GX series, this memory card provides essential storage for large programs, complex calculations, and extensive data sets. Whether you're a...Now: $299.99Was: $329.99 -
On Sale
HP-50G Graphing Calculator
Hewlett Packard
Now: $209.99Was: $329.99The HP-50G is one of Hewlett-Packard’s most powerful and versatile graphing calculators, designed for engineering professionals, college students, and anyone needing high-level computational capability. Known for its rugged build, RPN/RPL...Now: $209.99Was: $329.99 -
TI Calculator Paper
Porter Electronics
$11.99This TI Calculator Paper is designed specifically for Texas Instruments printing calculators, providing crisp, clear, and long-lasting printouts for all your calculation needs. Made from premium thermal paper, it ensures smooth feeding, reliable...$11.99 -
TDS COGO Survey Card and Overlay for HP 48GX Calculators
TDS
$329.99Enhance your HP 48GX calculator with the TDS COGO Survey Card and Overlay, the trusted solution for professional land surveying, coordinate geometry (COGO), and field data collection. Developed by Tripod Data Systems, this plug-in card delivers powerful...$329.99