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Engineering Economy

Engineering economy is an important subject; how do we present alternatives? The posts include defining major items in the engineering economy and providing solutions to problems.

6- Easy approach to compounding technique.

July 6, 2025October 15, 2020 by Maged kamel
How to convert a linear function to an exponential function?

Approach to compounding technique. How to convert a simple interest to a compound interest? A given example is included with a given interest rate.

Categories Engineering Economy Tags Compounding technique.

5-Step-by-step illustration of solved problems for P-F value

July 5, 2025September 20, 2020 by Maged kamel
What is the Cash flow in and out diagram?

The post includes solved problems for P-F Value. The first problem 3.5 includes h how to get F in terms of P,t, and i%? another problem is also included.

Categories Engineering Economy Tags Solved problems for the present-future value relation.

4b- Easy to introduce the definition of IRR-NPV.

July 5, 2025July 16, 2020 by Maged kamel
What is NPV? What is IRR?

What is the Npv, net present value? What is the IRR or the internal rate of return? Solved problem is given to illustrate the subject.

Categories Engineering Economy Tags What is the definition of IRR?

4a- Easy illustration for MARR, WACC definitions

July 5, 2025July 13, 2020 by Maged kamel
What is MARR? What is WACC?

The post includes two definitions, MARR and WACC.MARR is the minimum rate of attractive rate of return.WACC is the weighted average cost of capital.

Categories Engineering Economy Tags MARR and WACC definitions

4- Easy illustration for Cash flow in and out diagram.

July 4, 2025July 1, 2020 by Maged kamel
A Solved problem for cash in and Out diagram.

The difference between cash flow in and out diagram. how to draw the cash in and out from different perspectives? A solved problem is given.

Categories Engineering Economy Tags Cash flow in and out diagram.

3a- Simple and compound interest part 2.

July 4, 2025June 24, 2020 by Maged kamel
Simple interest virsus compound interest.

In this post, simple and compound interest part 2, an additional solved problem is included to show the difference between simple and compound interest.

Categories Engineering Economy Tags Simple interest and compound interest

3- Simple and compound interest part 1.

July 4, 2025June 20, 2020 by Maged kamel
The difference between simple interest and compound interest.

What is the difference between simple interest and compound interest? Solved problems are given for illustration. How to use excel for interest estimation?

Categories Engineering Economy Tags Simple interest and compound interest

2A- Guide to two Solved problems for Economic equivalence.

July 3, 2025May 23, 2020 by Maged kamel
Economic equivalence.

The post includes solved problems for economic equivalence. Example 1.3 sets a lot of statements and it is required to get the correct one.

Categories Engineering Economy Tags Solved problems-Economic equivalence
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