Sciencing: Daily content for curious minds

9 Worst Math Blunders Of All Time

staff@sciencing.com (Elaine Todd) — Sun, 22 Jun 2025 15:15:00 +0000

It's easy to doubt that the things taught in math classes are important to everyday life, but in reality, small mathematical errors have proven catastrophic.

Motion Graphs: Position, Velocity, & Acceleration

staff@sciencing.com (Amy Dusto) — Sun, 23 Apr 2023 00:27:00 +0000

High school physics courses will often teach about the relationships between different motion graphs. Here's a quick breakdown of what those relationships are.

What Does 'E' On A Calculator Represent?

staff@sciencing.com (Chris Deziel) — Sun, 09 Apr 2023 05:44:32 +0000

The letter E means many things to a mathematician, and the letter-case matters.

How To Calculate Microstrain

staff@sciencing.com (S. Hussain Ather) — Mon, 28 Dec 2020 09:06:00 +0000

Stress and strain are important when it comes to engineering and construction, and that's true on the microscopic level, too. Here's how you can analyze that.

How To Charge Multiple 12V Batteries In Line

staff@sciencing.com (S. Hussain Ather) — Mon, 28 Dec 2020 07:41:52 +0000

Everyone's familiar with having to recharge batteries every now and again. If you've ever wondered about the science behind that, though, here's a primer.

How To Convert A Foot To Square Feet

staff@sciencing.com (Lisa Maloney) — Tue, 15 Dec 2020 04:30:00 +0000

Feet measure length in a linear fashion, but those linear measurements can also be used to determine an area. All that's needed is a simple calculation.

How To Convert A Percentage To Mg/Kg

staff@sciencing.com (Lee Johnson) — Mon, 14 Dec 2020 08:15:00 +0000

Unit conversions are a big part of any scientific field, so it's especially helpful to know how to convert between various units of concentration.

How To Calculate Success Rate

staff@sciencing.com (Elias Nash) — Tue, 08 Dec 2020 22:45:00 +0000

Success rates can be pretty important in plenty of different fields, whether you're talking about business or sports. Here's an easy way to calculate them.

How To Convert ATM To Moles Of Gas

staff@sciencing.com (Chris Deziel) — Sun, 06 Dec 2020 04:23:00 +0000

Gas pressure is important to many fields, and it can be measured in many different ways. Two of the relevant units in this case are atmospheres and moles.

How To Solve Large Exponents

staff@sciencing.com (Grant D. McKenzie) — Mon, 16 Nov 2020 21:32:56 +0000

As with most problems in basic algebra, solving large exponents requires factoring. Here's the best way to solve.

How To Convert Distances From Degrees To Meters

staff@sciencing.com (Chris Deziel) — Fri, 06 Nov 2020 10:08:00 +0000

Since Earth is spherical, measuring distances in meters between two locations can be done using degrees, or longitude and latitude, in other words.

How To Convert Watts To Volts

staff@sciencing.com (G.K. Bayne) — Fri, 06 Nov 2020 10:02:00 +0000

Engineers often need to know how to quickly switch between values measured in watts and those measured in volts. Fortunately, the converstion is fairly easy.

How Do I Calculate Repeatability?

staff@sciencing.com (Chris Deziel) — Tue, 03 Nov 2020 20:33:00 +0000

In any experiment, the question of whether a result can be replicated is pretty relevant. What's more, there's a mathematical way to determine repeatability.

How To Calculate Average Temperature

staff@sciencing.com (Lee Johnson) — Tue, 03 Nov 2020 07:56:00 +0000

If you want to know what the temperature in a region is like, then calculating an average is more helpful than looking at the temperature on a single day.

How To Convert RPM To Feet Per Minute

staff@sciencing.com (Chris Deziel) — Mon, 02 Nov 2020 22:17:00 +0000

When you think of a spinning disk or wheel, rotation probably comes to mind, but those rotations can be converted into a linear speed through some calculations.

How To Convert Slope Intercept Form To Standard Form

staff@sciencing.com (Tiffany Betts) — Tue, 27 Oct 2020 19:34:00 +0000

Linear equations do actually have quite a few applications in everyday life. So knowing how to change their form is more helpful than you might think.

What Is The Difference Between A Direct And An Inverse Relationship?

staff@sciencing.com (Lee Johnson) — Tue, 27 Oct 2020 18:48:00 +0000

Determining the relationship between variables is a pretty important part of math and science, so it helps to know what direct and inverse relationships are.

How To Convert Mg To mmol/L

staff@sciencing.com (Riti Gupta) — Wed, 04 Mar 2020 23:23:49 +0000

In chemistry, concentrations are important measurements, and it's helpful to know how to convert between them. Here's how the math works out.

How To Convert Milligrams Per Liter To Molarity

staff@sciencing.com (Riti Gupta) — Mon, 02 Mar 2020 02:25:00 +0000

Concentrations are something that chemists need to know, but there are different ways to express that value clearly, depending on the circumstances.

How To Determine An Unknown Exponent

staff@sciencing.com (Kevin Beck) — Mon, 17 Feb 2020 04:22:00 +0000

Exponents might not seem like they're all too complicated, but when there's a variable in that spot, things just might get a bit more confusing