Math

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.

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.

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.

How To Weigh Grams With No Scale

If you need to weigh something and you're stuck without a scale, simply use a ruler, a pencil, and some coins to get a surprisingly accurate value.

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.

How To Calculate A Recurrence Interval

Statistics are all about probabilities, and recurrence intervals are no different, providing an easy way to determine how likely an event is to occur.

Conversion Of Cubic Feet Per Hour To BTUs

With gas being used to produce heat in many different situations, technicians need to know the math behind conversions between flow rate and BTUs.

How To Calculate The Area Of A Base

Being able to determine the dimensions of a solid geometrical shape can be a helpful skill to know, and fortunately, it's not too hard to learn, either.

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.

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.

How To Calculate Variance From A Ti84

Variance is a statistical parameter that analyzes the spread, or distribution, of data. Here's how to calculate it quickly.

How To Calculate FXY Partial Derivatives

Derivatives are a pretty important thing in calculus, as are partial derivatives. Fortunately, the latter is relatively straightforward to calculate.

How To Calculate An Aggregate

Sometimes in life, it might prove helpful to know what an aggregate is and how to find it. Both the answer to that question and the process are simple, though.

How To Use A Calculator For Trigonometry

Trigonometric functions have a lot of real-life applications across many fields, so it's pretty important to know how to use a calculator to work with them.

How To Convert Hertz To Motor Rpm

You might find frequencies given in terms of hertz, but when it comes to cars, rpm might be a more helpful unit. Here's how you can convert between them.

How To Convert HP To KVA

Horsepower is an important unit when it comes to the power that something can output, but in case you want to see that figure in kVA, here's how to do that.

How To Factor Polynomials Of Degree 3

Factoring polynomials can be a helpful process, but high-degree ones can get a little tricky. Here's a guide for when you encounter third-degree polynomials.

How To Calculate Weighted Class Grades

In classes, a given project or test might matter more than another. In that case, you'll need a little math to calculate your weighted class grade.

Definitions Of Control, Constant, Independent And Dependent Variables In A Science Experiment

Partial Products: What Is A Partial Product In Fourth Grade Math?

How To Find Parent Functions

How To Round Numbers To Three Decimal Places

What Does The Word Product Mean In Math?

What Are Double Angle Identities?

What Is Mutually Inclusive?

Associative & Commutative Property Of Addition & Multiplication (With Examples)

Does The Earth Rotate Slower Or Faster At The Top?