MAT402

CHAPTER 1: SEQUENCE

1.1: Introduction to sequence 

1.2: Arithmetic sequence 

1.3: Finding the nth term and the sum of the first n terms 

1.4: Geometric sequence 

1.5: Finding the nth term and the sum of the first n terms 

CHAPTER 2: SIMPLE INTEREST

2.1: Introduction to interest 

2.2: Simple interest formula 

2.3: Simple amount formula 

2.4: Exact time and approximate time 

2.5: Ordinary simple interest and exact simple interest 

2.6: Banker’s Rule 

2.7: Present Value 

CHAPTER 3: BANK DISCOUNT & PROMISSORY NOTE

3.1: Introduction to bank discount 

3.2: Introduction to promissory note 

3.3: Simple interest rate equivalent to bank discount rate 

CHAPTER 4: COMPOUND INTEREST

4.1: Time value of money 

4.2: Introduction to compound interest 

4.3: Important terms use in compound interest 

4.4: Compound interest formula 

4.5: Present Value 

CHAPTER 5: ANNUITY

5.1: Introduction to annuity and types of annuities

5.2: Future value of ordinary annuity certain 

5.3: Present value of ordinary annuity certain 

5.4: Solving for R and n 

CHAPTER 6: INSTALLMENT PURCHASE

6.1: Introduction to installment purchase

6.2: Interest based on original balance 

6.3: Interest based on reducing balance – constant ratio formula 

6.4: Unpaid principal balance using Rule of 78 

CHAPTER 7: TRADE & CASH DISCOUNTS

7.1: Introduction to trade discount 

7.2: Net price formula 

7.3: Chain discount 

7.4: Single discount equivalent to chain discount

7.5: Cash discount 

CHAPTER 8: MATHEMATICS OF RETAILING

8.1: Cost, selling price, profit, loss 

8.2: Mark up and mark down 

8.3: Profit and loss: Gross profit, net profit and breakeven price 

8.4: Trade discount & Mathematics of retailing 

CHAPTER 9: DEPRECIATION

9.1: Introduction to depreciation 

9.2: Straight line method 

9.3: Declining balance method