The Hard Math Problem That Stumped Einstein
Albert Einstein may be considered the greatest mind of the 20th century, but that doesn't mean he couldn't be stumped by the occasional math problem.
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What Does 'E' On A Calculator Represent?
The letter E means many things to a mathematician, and the letter-case matters.
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How To Charge Multiple 12V Batteries In Line
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.
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Easy Ways To Calculate Percentages
Once you understand these simple methods for calculating percentages, these questions become easy to solve.
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How To Calculate Success Rate
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.
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How To Solve Large Exponents
As with most problems in basic algebra, solving large exponents requires factoring. Here's the best way to solve.
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How To Calculate Dice Probabilities
Whether you're wondering what your chances of success are in a game or preparing for an assignment or exam on probabilities, dice are a great case study.
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How To Convert Mg To mmol/L
In chemistry, concentrations are important measurements, and it's helpful to know how to convert between them. Here's how the math works out.
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How To Calculate The Percent Abundance Of An Isotope
A single element can have multiple different forms, called isotopes, and it's possible to determine the percent abundance of those forms. Here's how.
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How To Calculate A Milliequivalent
The concept of moles and equivalents, and thus millimoles and milliequivalents is of vital importance in medicine and clinical pharmacology.
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How To Calculate A Cross-Sectional Area
When it comes to the geometry of three-dimensional figures, you're probably not thinking about their flat cross sections. Here's how you calculate their areas.
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How To Change Any Number To A Percent, With Examples
Knowing how percentages work can be a pretty helpful thing in many different aspects of life. Here's how you can convert any number into a percentage.
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How To Convert KWh A Year To KW
If you've looked at an energy meter, you might have seen the unit KWh, but what does it mean? And what can you really make of the data it's giving you?
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How To Read Longitude And Latitude
Longitude and latitude are tools that pinpoint any location on Earth. Here's how to recognize and read them.
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How To Calculate The Percentage Of Ionization Given The pH
pH is a measure of the strength of an acid or base, but it's also indicative of the percentage of ionization. As such, you can calculate one from the other.
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How To Calculate The PH Of NaOH
While pH testing strips can be used to determine the strength of NaOH, it's also possible to calculate that value using little more than a simple process.
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How To Calculate A 1:10 Ratio
Ratios are a common way to compare parts to a whole, much like fractions. And if you're looking to calculate a 1:10 ratio, here's how you can do it.
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How To Find The Correlation Coefficient For 'R' In A Scatter Plot
Data analysis is a pretty important skill to understand when it comes to science and research. The correlation coefficient is a big tool in that practice.
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How To Factor On A TI 84 Plus
Sometimes, advanced mathematics are a little too complicated to do by hand. In such a case, it's helpful to know how to make the best of graphing calculators.
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How Do I Get The Theta Sign On My TI-84?
Theta is a common enough symbol when it comes to math, so how do you get to it on a calculator? If you own a TI-84, here's all you need to know.
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How To Convert pKa To Ka
Ka is an important value when it comes to the strength of acids and bases, but sometimes, it can be unwieldy. That's where the conversion to kKa comes in.
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How To Calculate A Sigma Value
In statistics, you might want to know just how much a data set varies, and in that case, calculating a sigma value would be just what you need.
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How To Find Z-Scores On A TI-84 Plus
When it comes to statistics, one of the ways to standardize data sets is to use something called a z-score. Here's how you can find it on a TI-84 Plus.
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How To Convert SCFM To CFM
Air capacities can be tricky, given how pressure and temperature can change volume. Due to that, it's important to know how to convert between measurements.
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How To Convert KW To HP For Air Conditioners
While both kilowatts and horsepower measure the same thing, you might want to know how to switch from one unit to the other. Here's how you do it.
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How To Calculate Water Volume
Calculating the volume of water can sometimes be a bit confusing, but there are some tricks you can make use of, and they make the whole process easier.
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How To Find A Vector That Is Perpendicular
Sometimes, when you're given a vector, you have to determine another one that is perpendicular. Here are a couple different ways to do just that.
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