# Economics

## Engineering economics - cash flow diagrams, present value, discount rates, internal rates of return - IRR, income taxes, inflation

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### Accounting Rate of Return

Net Income to Net Investment

### Cash Flow Diagrams

Time and the value of money in the future

### Compound Interest Tables

Compound interest tables - Interests ranging 0.25 - 60%

### Discount Rates

Single and multiple discounts

### Discrete Compounding Formulas

Discrete compounding formulas with discrete payments

### Income Taxes

Taxable income and income taxes

### Inflation Rate

Variable and average inflation rates

### Interest Formulas

Single cash flow formulas

### Interest Rate

Interest is the cost of money

### Interest Rates - Effective and Nominal

The relation between effective and nominal interest rates

### Internal Rate of Return - IRR

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

### Markup and Gross Profit

Profit vs. markup

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### 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 Time

Investments and the definition of payback time

### Percentage

Working with percentages - parts of a whole

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### Perpetuities

An asset providing a fixed cash flow

### Present Value

The Present Value of money in the future

### Shipping - Cost and Payment Terms and Conditions (TERMS)

FOB, CFR ...