# Economics

## Engineering economic concepts - cash flow diagrams, discount rate, internal rate of return - IRR, income taxes, inflation

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### Accounting Rate of Return

Net Income to Net Investment

### Cash Flow Diagrams

Time and value of future money

### Compound Interest Tables

Compound interest tables - Interest ranging 0.25 - 60%

### Discount Rates

Single and multiple discounts

### Discrete Compounding Formulas

Discrete compounding formulas with discrete payments

### Effective and Nominal Interest Rates

Relationship between effective and nominal interest rates

### Income Taxes

Taxable income and income taxes

### Inflation Rate

Variable and average inflation rates

### Interest Formulas

Single cash flow formulas

### Interest Rate

The cost of money

### Internal Rate of Return - IRR

Internal Rate of Return - IRR - the project break-even interest rate

### Markup and Gross Profit

Profit vs. markup

### Net Income

The accounting measure of a project

### Net Present Worth - NPW - of a Stream of Payments

Net Present Worth - NPW - or Value of a stream of payments

### Online Mortgage Payment Calculator

Calculate mortgage payment with Annual Interest Rate, Number of Years and Amount Borrowed

### Operating Profit

Generated profit or income

### Payback

Investments and payback time

### Perpetuities

Asset providing a fixed amount of cash flow

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### Present Value

The Present Value of future money

### Shipping and Payment Terms

FOB, CFR ...

### Working with Percentages

Part of a whole