Explains and demonstrates how to calculate the percentage increase from year to year and how to calculate it using an Excel spreadsheet.

Use this GPA calculator to find your GPA using the standard 4.0 GPA scale or a weighted scale for Honors and AP courses. Input the course name, the number of course credits and your grade for the term.

In these interactive visualizations, explore the relationship between calculating miles per gallon (mpg) to gallons per mile in fuel use for vehicles. Most drivers think gas usage falls linearly (in a straight line) as mpg increases. But...

Use this calculator to calculate cubic yards volume for a variety of different areas. Enter measurements in US units or metric units. Calculate volume from your measurements in inches (in), feet (ft), yards (yd), centimeters (cm), or...

Calculate speed, distance, or time using the formula d = st, distance equals speed times time. The Speed Distance Time Calculator can solve for the unknown sdt value given two known values

Expanded form calculator shows expanded forms of a number including expanded notation form, expanded factor form, expanded exponential form and word form.

Multiplication of positive or negative whole numbers or decimal numbers as the multiplicand and multiplier to calculate the product using long multiplication. The solution shows the work for the Standard Algorithm.

In this volume calculator, conversions are performed by using a conversion factor. By knowing the conversion factor, converting between units can become a simple multiplication problem.

This calculator will find the missing variable in the physics equation for force (F = m * a), when two of the variables are known.

Practice your arithmetic skills as you estimate the answer to questions involving addition, subtraction, multiplication, and division. Includes whole numbers, fractions, and percents. As you answer questions, you guide penguins across an...

Read how solids and liquids respond to thermal expansion and learn how to calculate thermal expansion. Formulas and examples are provided.

By the end of this section, you will be able to calculate coefficient of friction on a car tire and to calculate ideal speed and angle of a car on a turn.

Learn about the relationship between vapor pressure of water and capacity of air to hold water vapor, the relationship between relative humidity and partial pressure of water vapor in the air, and how to calculate vapor density,...

Explanation of linear equations and four types of slopes: positive, negative, zero, and undefined. Practice problems for the students are provided and a reinforcement activity using a graphing calculator is offered for the teacher's use.

By the end of this section, you will be able to explain gravitational potential energy in terms of work done against gravity, show that the gravitational potential energy of an object of mass m at height h on Earth is given by PEg = mgh,...

By the end of this section, you will be able to define linear momentum, explain the relationship between linear momentum and force, state Newton's second law of motion in terms of linear momentum, and calculate linear momentum given mass...

Solve for an unknown value x with this fractions calculator. Find the missing fraction variable in the proportion using cross multiplication to calculate the unknown variable x. Solve the proportion between 2 fractions and calculate the...

The Least Common Multiple (LCM) is also referred to as the Lowest Common Multiple (LCM) and Least Common Divisor (LCD). For two integers a and b, denoted LCM(a,b), the LCM is the smallest positive integer that is evenly divisible by both...

Convert units of area by entering the value to convert and the from and to units.

Convert units of acceleration by entering the value to convert and the from and to units.

This resource provides a wind chill table and wind chill calculator. There is also an explanation for the changes that have occurred for calculating wind chill.

By the end of this section, you will be able to explain the human body's consumption of energy when at rest versus when engaged in activities that do useful work and to calculate the conversion of chemical energy in food into useful work.

Create a printable table for the annuity (mortgage) payment (PMT) of a borrowed amount of $1.

Explains, with examples, what compound interest is and how to calculate it using a formula. Also shows how to work backwards to calculate the present value of an investment, how compound interest is calculated for different compounding...