This is a calculator which uses Reverse Polish Notation, or RPN. A full write-up in Japanese (Google Translate link) carries an impressive level of detail about the project, but in short ...

Unfortunately for RPN enthusiasts, the RPN calculator is ... and it gives the user everything you could wish for in a scientific calculator. The key legends are a set of printable stickers ...

Chips in early Busicom calculators were made in the United States by Mostek, while those in the Bowmar and Canon were by Texas Instruments. Hewlett-Packard Corporation joined the market in early 1972 ...

At an American Mathematical Society meeting, high school students presented a proof of the Pythagorean theorem that used trigonometry—an approach that some once considered impossible ...

High-school math students will likely need a graphing calculator, while other specialized classes may require a scientific calculator. It all depends on what the class requires. One important ...

Scientific papers are for sharing your own original research work with other scientists or for reviewing the research conducted by others. As such, they are critical to the evolution of modern ...

Scientific American covers the most important and exciting research, ideas and knowledge in science, health, technology, the environment and society. It is committed to sharing trustworthy ...

The Oropouche virus, which causes a disease nicknamed “sloth fever” for one of the animals that can be infected, has seen its first cases in the U.S.

Learn more today. Our currency conversion calculator converts more than 200 currencies, and the rates are updated every five minutes. Among the currencies available, our calculator converts ...

In today's digital reality, where virtual classrooms are increasingly commonplace, it's essential to know how to make online education as impactful as traditional face-to-face learning. A recent ...

There is no need to write about science in unusual, complicated, or overly formal ways in an effort to "sound scientific" or to impress your audience. If you can tell a friend about your work ...

The space junk polluting low-Earth orbit sometimes makes its way to Earth. Here’s how one astronomer responded when SpaceX debris fell on a nearby farm. We cover the science stories of the ...