eHow launches Android app: Get the best of eHow on the go.
Showing 1-26 of 26 results
How to Calculate Your Standard GPA
To calculate standard GPA, add together the numerical value of each letter grade and divide by the total number of classes. Determine standard GPA by using basic mathematical calculations with...
Rounding Fractions
When rounding fractions, determine the decimal form of the fraction before assessing which decimal place to round to. Learn the mathematical process for rounding fractions with tips from a math...
Subtracting Percents
Subtract percents by determining the original value and multiplying it by the specific percentage, before subtracting that value from the overall total. Learn the mathematical process for...
Writing Fractions as Percents
Write a fraction as a percent by multiplying the fraction by 100 to convert it to a percentage. Learn the mathematical process for calculating a fraction as a percentage with tips from a math...
Multiplying 2 Polynomials
When multiplying two polynomials together, use the FOIL mathematical method to determine the multiplication order. Learn the process for multiplying two polynomials together with tips from a math...
Multiplying Binomials
Multiply binomials together by applying the FOIL method to determine the mathematical order of operation. Learn to multiply binomials together using tips from a math tutor in this free video on...
Multiplying Factorials
A factorial is the nomenclature used to describe a series of mathematical operations during multiplication. Learn to multiply factorials with tips from a math tutor in this free video on math skills.
Multiplying Fractions
When multiplying fractions, multiply the numerators together and the denominators together in order to derive an answer before reducing the overall fraction. Learn the mathematical process for...
Adding Real Numbers
Adding real numbers together is a mathematical process that requires placing the numbers in columns to calculate the total. Add and subtract real numbers based on their order of operation with...
Dividing Fractions
Divide fractions by inverting the numbers and changing the mode of operation to multiplication. Learn the mathematical process for diving fractions with tips from a math tutor in this free video...
Making Predictions With a Graph
Make predictions with a graph by extrapolating information derived from data points. Learn to calculate mathematical predictions using a graph with tips from a math tutor in this free video on...
Adding & Subtracting Fractions
Adding and subtracting fractions is a mathematical process that requires both numbers to share a common denominator. Learn the mathematical method for adding and subtracting fractions with tips...
Adding Fractions With Different Denominators
Add fractions with different denominators by multiplying the two different denominators together to create a common denominator. Learn the mathematical method for adding fractions with different...
How to Convert Decimals Into Feet, Inches & Fractions of an Inch
Convert decimals into feet and inches by applying a mathematical formula to relate the two mathematical numerical systems together. Learn to convert decimals into feet and inches with tips from a...
How to Calculate Net Present Value (NPV)
Calculate the net present value by applying a mathematical formula to determine the present value of money that was invested at an earlier time. Determine the net present value with tips from a...
How to Calculate the Surface Area of a Prism
Calculate the surface area of a prism by measuring the surfaces separately and applying them to a mathematical formula. Determine the surface area of a prism with tips from a teacher in this free...
How to Convert Fractions to Percentages
Convert mathematical fractions to percentages by multiplying the number by 100. Learn more about converting fractions to percentages with tips from a teacher in this free video on math and science.
How to Calculate Buoyancy
Calculate buoyancy by applying a mathematical formula and determining the density or mass of an object. Determine the buoyancy of an object with tips from a teacher in this free video on math and...
How to Calculate Acceleration
Calculate acceleration by applying a mathematical formula that uses speed, final velocity and time. Learn how to calculate acceleration with tips from a teacher in this free video on math and science.
How to Use a Geometric Compass
A geometric compass is a mathematical tool used to calculate the distance between points and create arcs. Use a geometric compass with tips from a teacher in this free video on math and science.
How to Use a Protractor
A protractor is a mathematical tool used to measure the angle between two lines. Use a protractor with tips from a teacher in this free video on math and science.
How to Calculate the Volume of a Triangular Prism
Calculate the volume of a triangular prism by using a mathematical formula and measuring the base, height and length. Determine the volume of a triangular prism with tips from a teacher in this...
How to Calculate the Volume of a Sphere
Determine the volume of a sphere by applying a mathematical formula that uses the radius of the circular object. Calculate the volume of a sphere with tips from a teacher in this free video on...
How to Compute Sine, Cosine & Tangent
Sine, cosine and tangent are mathematical ratios that are based on a right angled triangle. Compute these mathematical ratios with tips from a teacher in this free video on math and science.
Where Does the Mathematical Sign For Infinity Come From?
The mathematical sign for infinity comes from the Latin term for ribbon, lemniscate, and it was developed by John Wallis in 1665. Discover the infinity symbol origin with tips from a mathematics...
How to Use a Mathematical Scale
When using a math scale, remember that there are both engineer scales and architect scales. Discover what the markings mean on a math scale with help from a math teacher in this free video on...