Recent Posts

Title Description Creator created
Empirical Formulae by Percentage Composition Get the empirical formula given the percentage compositions of all elements in the compound. Dr. Osama M. Khaled May 22, 2024 08:05 AM
Multiply and divide mixed numbers The same procedures used to multiply and divide fractions can be used with mixed numbers. Dr. Osama M. Khaled May 21, 2024 08:56 PM
Mathematics APIs Dr. Osama M. Khaled May 19, 2024 08:40 AM
Standard Header parameters Dr. Osama M. Khaled May 19, 2024 08:28 AM
Solve Algebraic Equations Solve equations algebraically (symbolically) Dr. Osama M. Khaled May 18, 2024 03:57 PM
Subscription Validation Dr. Osama M. Khaled May 18, 2024 12:19 PM
Chemistry APIs A collection of chemistry REST APIs that provide detailed calculations for chemistry related formulas Dr. Osama M. Khaled May 18, 2024 09:47 AM
Improper fractions to mixed numbers Write improper fractions as mixed numbers Dr. Osama M. Khaled May 17, 2024 01:22 PM
The Periodic Table Click on an element to get its properties Dr. Osama M. Khaled May 14, 2024 11:10 AM
Make a chemical compound Make a compound and get details about its molar mass, percentage composition by mass, and stoichiometry Dr. Osama M. Khaled May 14, 2024 11:10 AM
Write mixed numbers as improper fractions Understand in simple steps how to write a mixed number as an improper fraction Dr. Osama M. Khaled May 13, 2024 11:01 AM
The whole number and fractional parts Identify the whole number and fractional parts of a mixed number Dr. Osama M. Khaled May 12, 2024 03:00 AM
Application Problems Solve application problems by adding and subtracting fractions Dr. Osama M. Khaled May 07, 2024 08:37 AM
Identify the greater of two fractions If two fractions have the same denominator, the fraction with the greater numerator is the greater fraction Dr. Osama M. Khaled May 05, 2024 08:16 PM
Find the LCD to add and subtract fractions When we add or subtract fractions that have different denominators, the least common denominator is not always obvious Dr. Osama M. Khaled May 03, 2024 08:28 AM
Add and subtract fractions that have different denominators Dr. Osama M. Khaled Apr 28, 2024 07:27 AM
Fractions that have the same denominator Add and subtract fractions that have the same denominator Dr. Osama M. Khaled Apr 26, 2024 01:43 AM
Application Problems Problems that involve forming equal-sized groups can be solved by division Dr. Osama M. Khaled Apr 21, 2024 10:50 PM
Divide Fractions To divide two fractions, multiply the first fraction by the reciprocal of the second fraction. Simplify the result, if possible. Dr. Osama M. Khaled Apr 19, 2024 07:54 AM
Calculations The law of gravity included a symbol for proportionality. In order to use this relationship for solving problems, we must remove the proportionality by placing a constant in the expression Dr. Osama M. Khaled Apr 01, 2024 12:43 PM
Weightlessness Heavy and light objects fall at the same rate !! Dr. Osama M. Khaled Mar 31, 2024 07:48 PM
Earth Satellites Newton argued that if a cannon could be placed on a hill high enough to be outside the earth's atmosphere, and if the cannon could be made powerful enough, a cannonball could be placed in orbit around the earth. Dr. Osama M. Khaled Mar 30, 2024 07:48 PM
Kepler's Third Law Kepler's third law states the relationship between a planet's average distance from the sun and the time required for the planet to complete one orbit Dr. Osama M. Khaled Mar 29, 2024 07:55 PM
Kepler's Laws About 50 years before Newton formulated the law of gravity, Johanne Kepler (1571-1630) had found some rules that could be used to calculate the orbits of the planets Dr. Osama M. Khaled Mar 27, 2024 08:47 PM
The Moon and Gravity The moon is 240,000 miles from earth-center, or 60 times as far as we are from center Dr. Osama M. Khaled Mar 27, 2024 07:56 AM
The Law of Gravity Learn how gravity keeps the universe in balance Dr. Osama M. Khaled Mar 20, 2024 08:52 PM
Find the reciprocal of a fraction Division with fractions involves working with reciprocals Dr. Osama M. Khaled Mar 17, 2024 01:23 AM
Solve application problems by multiplying fractions The key word of often appears in application problems involving fractions. When a fraction is followed by the word of, it indicates that we are to find a part of some quantity using multiplication Dr. Osama M. Khaled Mar 14, 2024 07:37 PM
Evaluate exponential expressions that have fractional bases If the base of an exponential expression is a fraction, the exponent tells us how many times to write that fraction as a factor Dr. Osama M. Khaled Mar 12, 2024 04:54 AM
Simplify answers when multiplying fractions After multiplying two fractions, we need to simplify the result, if possible Dr. Osama M. Khaled Mar 06, 2024 08:40 AM

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