Calculators are essential devices for students, professionals, and anyone who needs to compute numbers with precision and ease. With advancements in technology, many brands have launched sophisticated calculators that cater to different needs, from basic arithmetic to complex scientific analysis. Among the best brands are Casio, Texas Instruments, and Sharp, each offering a variety of models that combine functionality, durability, and innovative features. For a detailed exploration of these top brands and what makes their calculators stand out, continue reading below.
Illustration of calculator
Best brands of calculator in 2025
Texas Instruments
Texas Instruments is a dominant force in the calculator market, particularly in the segment of graphing calculators, where it enjoys an estimated 80% market share globally. Since the release of the TI-81 in 1990, the company has solidified its position, with the TI-84 Plus, introduced in 2004, remaining a bestseller despite its outdated technology. By 2000, TI had sold 20 million graphing calculators, enough to equip 40% of America's high-school students. The company's robust teacher training programs and customer support have been key factors in its success. Despite the rising competition from free alternatives, TI's calculators continue to be a standard in many educational institutions.
Casio
Casio is renowned as one of the best producers of calculators, with a strong track record of delivering high-quality products. In FY2021, Casio sold 13.4 million units of scientific calculators, despite a decline from 23 million units in FY2020 due to school closures and COVID-19 restrictions. The company's calculators have been integral in mathematics education for over 40 years, with research indicating they improve conceptual understanding in mathematics. Casio's calculator sales have been robust, with a 14% growth in calculator sales in the consumer segment, helping to offset weaknesses in other areas such as musical instruments. The company continues to innovate, planning to focus on software and comprehensive learning platforms to support education. For more in-depth insights, view their financial and strategic report.
Hewlett-Packard
Hewlett-Packard (HP) is a renowned brand in the calculator market, though it trails behind other leaders. As of 2019, HP held a 3.24% revenue share in the graphing calculators market, with Texas Instruments dominating at 71.39% and Casio at 16.97%. Despite its relatively small market share, HP has a loyal following for its scientific and graphing calculators, such as the HP-15C and HP-32SII, which are praised for their reliability and advanced functionality. However, HP's market presence in calculators has diminished over the years, particularly in comparison to its strong presence in the personal computer market, where HP holds a significant market share of around 21.9% as of 2023. HP's calculators, while not as prevalent, remain valued for their historical significance and user loyalty. For more on HP's calculators, visit their dedicated enthusiasts’ page.
Sharp
Sharp is a renowned brand in the calculator market, particularly known for its high-quality scientific and graphing calculators. The company competes closely with other industry leaders like Texas Instruments, Casio, and HP, with these brands dominating the market landscape. In the scientific calculator segment, Sharp, along with other key players, contributes to the market's growth, which is expected to exhibit a CAGR of 5.8% from 2023 to 2031. Sharp's calculators are appreciated for their reliability, durability, and long battery life, making them ideal for standardized tests and STEM education programs globally. The Asia Pacific region, where Sharp has a significant presence, accounts for a substantial 33% of the global scientific calculator market share.
Canon
Canon is a leading brand in the calculator and printing markets, known for its high-quality digital imaging solutions and calculators. In 2020, Canon ranked number one in market share for all U.S. Laser A3 Multifunction Printer (MFP) segments, holding 23.3% market share in the combined monochrome and color segments, 25.5% in monochrome, and 21.9% in color. In the calculator market, Canon is one of the key players, competing with brands like Casio and Texas Instruments, and the North American calculator market is expected to grow at a CAGR of 1.9% from 2024 to 2031. Canon's calculators are part of a highly competitive market, with the company innovating to meet the evolving needs of educational and professional users. The brand's commitment to technological advancement and user-friendly products solidifies its position in the market.
Citizen
Citizen is a renowned brand in the calculator market, known for its high-quality and innovative products. As part of the global desktop calculator market, which is projected to reach US$ 1.72 billion in 2024 and grow at a CAGR of 5.2% until 2034, Citizen stands out for its robust manufacturing capabilities and strong market presence. The brand is profiled alongside other key companies such as Sharp Electronics Corporation, Casio Computer Co. Ltd., and Texas Instruments Incorporated, highlighting its significant contribution to the industry. Citizen's products cater to various segments, including basic functional, scientific, financial, and graphical calculators, with basic functional calculators holding a noteworthy 35.1% market share in 2024. The brand's commitment to innovation and quality has made it a preferred choice in the calculator market.
NumWorks
NumWorks is a pioneering technology company that stands out as one of the best producers of graphing calculators, particularly noted for its user-friendly and highly customizable products. Founded in 2016 by Romain Goyet, a former Apple software engineer, NumWorks released its first calculator, the N0100, in 2017, which was the first graphing calculator to use Python as its programming language. The calculators are known for their open-source hardware and software, with designs available under a Creative Commons license, and feature advanced specifications such as a 320x240 IPS display and a 216 MHz Cortex-M7 processor. NumWorks calculators are popular among high school students and teachers for their intuitive interface, periodic updates, and exam mode functionality. The company's approach to repairs and tinkering has also garnered a cult following among tech innovators.
Aurora
Aurora is recognized as a reputable brand in the calculator market, particularly known for its scientific and basic calculators. The North American calculators market, where Aurora operates, was valued at USD 510.04 million in 2019 and is expected to grow to USD 615.67 million by 2031, with a CAGR of 1.9% during the forecast period. Aurora calculators, such as the Aurora AX-595, are popular for their TrueView display and affordability, making them a favorite among students and professionals. The scientific calculator segment, which includes Aurora's products, accounted for the major market share in the North American calculator market in 2021. With features like multi-display, tax calculation, and decimal point designation, Aurora calculators cater to a wide range of users.
Victor
Victor is a renowned brand in the calculator market, known for its high-quality financial calculators that have garnered significant market share. The brand competes closely with other major players like Casio, and its products are quantitatively analyzed to highlight their impact on the global financial calculators market from 2020 to 2027. Victor's calculators are favored for their precision and durability, making them a staple in educational and professional settings. While specific market share percentages for Victor are not provided, the brand's presence is notable in the overall calculator market. The North American calculators market, where Victor operates, is expected to grow at a CAGR of 1.9% from 2024 to 2031.
TI-Nspire
The TI-Nspire brand, developed by Texas Instruments, stands as a leading producer of advanced graphing calculators, renowned for its innovative features and robust performance. Introduced in 2007, the TI-Nspire series has evolved to include models like the TI-Nspire CX CAS, which boasts a backlit color display, rechargeable lithium-ion battery, and 3D graphing capabilities. These calculators are equipped with TI-Nspire BASIC, Lua, and even Python programming languages, enhancing their versatility. The TI-Nspire CX CAS, in particular, is a powerful Computer Algebra System (CAS) that can symbolically solve equations and perform complex mathematical operations. With a significant market share, Texas Instruments dominates the graphing calculator market, with revenue ratios as high as 71.39% in 2019.
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