Casio Calculator Digital

Casio Calculator Digital

Casio Calculator Digital

This compact calculator offers a battery life of 100 years and includes a stopwatch, timer, and a backlight. While it’s not loaded with extras, this smart little machine is perfect for any busy, on-the-go agenda.



Our team of experts has selected the best scientific calculators out of hundreds of models. Based on our research, we’ve narrowed down the list to models from Texas Instruments, Casio, and Sharp. We named Texas Instruments as the Best of the Best in our Best Scientific Calculators category because of its superior quality and great consumer experience. We chose the Casio as our Best Bang for the Buck because of its overall quality and value. Read our full review for our pros, cons, and bottom line on each of the models we chose for our top five. Most calculator watches perform only basic arithmetic operations (addition, subtraction, multiplication, and division). However, there are several models with additional functions: scientific, including transcendent and trigonometry, in models Casio CFX-20, CFX-200, CFX-400 and Citizen 49–9421, financial functions (Casio CBA-10) and also TV remote control functions (CMD-40B and CMD-30B).

Japanese electronics company Casio produced the largest variety of watches. In the mid-1980s, Casio created the Databank calculator watch, which not only performed calculator functions, but also stored appointments, names, addresses, and phone numbers. The calculator watches made by Casio earned much fame due to their appearance in movies and also due to being celebrities' choice during public events. A calculator watch is a digital watch with a built-in calculator, usually including buttons on the watch face. Calculator watches were first introduced in the 1970s and continue to be produced, despite falling from their peak popularity during the 1980s. The most dominant brands, in the end, were the Casio Databank series and Timex. (Source: en.wikipedia.org)


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