Category: Applied Mathematics

When you start a new job or get a raise, it helps to know what the new annual pay will be.  The way to find it will depend on how you are paid (hourly, daily, weekly, biweekly, or...

Density is an important concept in physics and chemistry.  It helps us to compare two substances to see which gas will rise higher, or which solids will sink or float in a liquid. So, what...

Area is used often in mathematics for word problems in geometry and calculus. Area is vital for finding the volume and surface area of objects, but it also has numerous applications in real...

Hash functions are used to store and retrieve data from tables and in cryptography to keep information secure.  However, it helps to know what a hash function is before you use one. So, what...

Displacement is used in math and physics to describe the position of an object relative to a “zero” (starting) point.  However, it can be a little tricky to navigate the signs (positive and...

Velocity is used in math and physics to describe how the position of an object changes.  However, it can be a little tricky to navigate the signs (positive and negative) of velocity as it...