Math Video: Simple Interest & Compound Interest
Detailed App Info:
Application Description
Each of these videos is divided into several different parts that you can easily skipped to. More details below:
Simple Interest Formula
•Introduction
•Calculating simple interest without the formula
•Calculate the yearly interest
•Deriving the simple interest formula
•Deriving the simple interest formula continued...
Maturity Value Formula
•Introduction
•Understanding the maturity value formula
•Explaining the derivation of maturity value formula
•Deriving the maturity value formula
•Factorizing the maturity value formula
Simple Interest: Example 1
•Introduction
•Calculate the simple interest when P, r & t (year) are given
•Substitute P and r of the formula with the given values.
•Converting the interest rate 3% into a decimal
•Substitute t with the given value and calculate the result.
Simple Interest: Example 2
•Introduction
•Calculate the simple interest when P, r & t (month) are given
•Substitute P and r & convert the value of r to decimal
•Substitute t with the given value & convert month to year
•Simplify and calculate the simple interest
Simple Interest: Example 3
•Introduction
•Calculate the loan interest rate when I, P & t are given
•Substitute I, P and t with the given values & simplify
•Calculate for the interest rate, r
•Convert the interest rate from decimal to percent
Compound Interest Formula 1
•Introduction
•Example: Understanding compound interest
•The amount needed to pay back after the 1st year
•The amount needed to pay back after the 2nd year
•The amount needed to pay back after the 3rd year
Compound Interest Formula 2
•Introduction
•Deriving the compound interest formula
•The amount needed to pay back after the 1st year
•The amount needed to pay back after the 2nd & 3rd year
•The compound interest formula: A=P(1+r)^n
Compound Interest: Example 1
•Introduction
•Calculate the compound interest when P, r & n are given
•Substituting P, r and n into the compound interest formula
•Convert the interest, 20% into a decimal
•Calculate the total amount, A
Compound Interest: Example 2
•Introduction
•Calculate the principal, P when A, r & n are given
•Substituting A, r and n into the compound interest formula
•Convert the interest, 10% into a decimal
•Calculating the principal, P
Compound Interest: Example 3
•Introduction
•Calculate the interest, r when A, P & n are given
•Substituting A, P and n into the compound interest formula
•Solve the equation to find the interest, r
•Convert the interest, r from decimal to percent
Requirements
Your mobile device must have at least 30.61 MB of space to download and install Math Video: Simple Interest & Compound Interest app. Math Video: Simple Interest & Compound Interest was updated to a new version. Purchase this version for $1.99
If you have any problems with installation or in-app purchase, found bugs, questions, comments about this application, you can visit the official website of Wei Chong Ng Wei Chong at http://www.mathexpression.com/interest-app.html.
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