Publisher Description
This math video app provides a quick and simple way for you to learn and understand the basics for simple interest and compound interest. All of the 10 computer animated videos are stored in your device. So, no internet connection is required to play. These math videos are: Simple Interest Formula, Maturity Value Formula, Simple Interest: Example 1, Simple Interest: Example 2, Simple Interest: Example 3, Compound Interest Formula 1, Compound Interest Formula 2, Compound Interest: Example 1, Compound Interest: Example 2 & Compound Interest: Example 3. 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
Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch.