HP Calculators

TI Calculators

Other Calculators

HP Calculators

HP (Hewlett-Packard) has a long history of producing high-quality calculators, especially known for their scientific, financial, and graphing calculators. They’ve been making calculators since the 1960s, with early successes like the HP 9100A. Many HP calculators use Reverse Polish Notation (RPN), offering efficient data entry and calculation. Their scientific calculators like the HP 10C, HP 11C, HP 15C, and HP 35s are popular among professionals and students. Financial calculators like the HP 12C and HP 17BII are widely used in finance. HP also offers graphing calculators such as the HP 48 series and HP 50g, which are popular among engineering and mathematics students. HP calculators are known for their quality, durability, and longevity. They’ve also produced specialized calculators for specific industries. Additionally, HP provides calculator apps for mobile devices and software emulators for their classic models, extending their accessibility and usability. Overall, HP calculators are trusted choices for various professionals, students, and enthusiasts.

HP 9810A

The HP 9810A was a pioneering calculator introduced by HP in the early 1970s. It was one of the earliest desktop calculators to feature programmability, offering users the ability to store and execute sequences of instructions.Read More »

TI Calculators

Texas Instruments (TI) has a rich history of producing vintage calculators that have left a lasting impact on the industry. Dating back to the 1970s, TI introduced early models such as the TI-2500 Datamath, which was one of the first commercially successful handheld calculators. These vintage calculators were instrumental in popularizing electronic computation for personal and professional use. TI’s early models were often simple, yet innovative, paving the way for the development of more advanced calculators in subsequent decades. Today, vintage TI calculators are sought after by collectors and enthusiasts alike, serving as a testament to TI’s pioneering contributions to the field of electronic calculation.

SR-52 calculator

The TI SR-52 calculator, introduced in the early 1970s, was a groundbreaking device that combined scientific functionality with programmability, setting a new standard in calculator technology. As one of the first programmable scientific calculators on the market, the SR-52 allowed users to store and execute sequences of instructions, enabling complex calculations and problem-solving. Its innovative features and user-friendly design made the TI SR-52 a popular choice among engineers, scientists, and students during its time.Read More »

Other calculators

During the 1970s, Casio, Compucorp, Monroe, and Sharp were prominent manufacturers of vintage calculators, each contributing distinct innovations to the burgeoning field of electronic computation. Casio’s early models signaled their entry into calculator production, while Compucorp established itself as a leader in programmable calculators with models tailored for scientific and engineering use. Monroe calculators gained popularity for their reliability and commercial-grade construction, favored by businesses for their efficiency. Sharp, meanwhile, made significant advancements in transistor technology and design with models like the Sharp EL-8, contributing to the widespread adoption of electronic calculators in various settings. Together, these manufacturers played integral roles in shaping the landscape of calculators during the 1970s, paving the way for further advancements in the decades to come.


ELWRO was a Polish electronics company that operated during the Cold War era, primarily focusing on the development and manufacturing of electronic equipment, including calculators.

In the 1970s and 1980s, ELWRO produced a series of calculators that were notable for being among the first domestically manufactured electronic calculators in Poland. These calculators were intended for both scientific and commercial use, contributing to the country’s technological advancement during that period.

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