The slide rule sword gave way to calculators hanging from your belt loop, and for many engineers that calculator was from HP. Today’s students are more likely to have a TI or Casio calculator ...

But such concerns clearly don’t phase [Andrea Cavalli]. Sure he could just buy a scientific calculator, but it wouldn’t really be his scientific calculator. Instead, he’s taking the scenic ...

This personal loan calculator will help you determine total ... An easy way to multiply by a percentage is to multiply the two numbers (for example, $1,000 x 1.25) and then divide by 100.

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 ...

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But what will it take? Answer the questions below to see if you can beat the 2-degree target. If you succeed, the thermometer at right will turn green. If it stays red? Well, let’s just say your ...

The probability density function ... data mean is the line in the middle, and the vertical lines are standard deviations, or how far data falls from the mean. The first two vertical lines on ...

Sharp Aquos Zero 2 is released in May 2020. The device is powered by the Qualcomm SM8150 Snapdragon 855 Octa-core processor. The smartphone comes with a 6.4 inches OLED capacitive touchscreen and ...

The phone has a 5.2-inch display size with a resolution of 1080 x 2280 pixels and IGZO type screen with 485 PPI (pixels per inch). Sharp Aquos R2 Compact comes in three different colors ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...