Update README.md

Author: OJB-Quantum

README.md

@@ -7,10 +7,6 @@ A repository of publically-accessible resources for learning & self-teaching mat
 
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-Primary URL for the repository: [OJB-Quantum/Math-and-Physics-How-To](https://github.com/OJB-Quantum/Math-and-Physics-How-To)
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 ### In Case You Want Some Fun Open Access Interactive Tools to Try:
 - [Free Education](https://ojb-quantum.github.io/Free-Education)
 
@@ -33,11 +29,11 @@ Borrowed from: *Learn with the Map of Mathematics*, The Bright Side of Mathemati
 
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-### Pro Tips for Solving Mathematical Problems by O.J.B.:
+### Pro Tips for Solving Mathematical Problems by (O.J.B.):
 
 | Tip | Explanation/ Details |
 | :--- | :--- |
-| Substitute variables with custom <br> variables (e.g., AbcdEfG) | Solve the equation using your own variables, then mirror the <br> steps onto the original problem for proportional reasoning. |
+| Substitute giveb variables with custom <br> variables (e.g., AbcdEfG) | Solve the equation using your own variables, then mirror the <br> steps onto the original problem for proportional reasoning. |
 | Interpret the equal sign as <br> "converts to" | Thinking of "=" as "converts to" can facilitate substitutions & <br> manipulations in other mathematical expressions. |
 | Think in terms of ratios by <br> default | Viewing values as ratios can simplify problem-solving & <br> conceptual understanding. |
 | Use software tools for conversion <br> to markdown or LaTeX | Convert equations for better inspection & rendering, ensuring <br> accuracy. |
@@ -75,7 +71,13 @@ Greek Letters
 
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-## All The Physics You Need, Curated by O.J.B.:
+### Below is an Example by (O.J.B.) on How to Substitute with Custom Variables:
+
+![mathpix 2025-02-03 08-56-51](https://github.com/user-attachments/assets/10f4cec8-a7ad-404e-9229-fce11056c2d5)
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+## All The Physics You Need, Curated by (O.J.B.):
 
 | Topic | Source |
 |---|---|
@@ -117,6 +119,8 @@ ________________________________________________________________________________
 | Math Notes for Quantum Information Science| [Introduction to Quantum Information Science](https://qubit.guide/some-mathematical-preliminaries) |
 | Time-Dependent Quantum Mechanics & Spectroscopy Notes | [UChicago](https://tdqms.uchicago.edu) |
 | Solid-State Physics | [Prof. M. S. Dresselhaus](https://web.mit.edu/6.732/www/texts.html)|
+| Transport in Semiconductor Mesoscopic Devices | [David K. Ferry (Book 1)](https://iopscience.iop.org/book/mono/978-0-7503-3139-5) / <br> [David K. Ferry (Book 2)](https://iopscience.iop.org/book/mono/978-0-7503-1103-8) |
+
 
 ## Additional Physics & Mathematics Resources:
 
@@ -147,7 +151,6 @@ ________________________________________________________________________________
 | [Partial Derivatives - Multivariable Calculus](https://youtu.be/JAf_aSIJryg) |
 | [Vector Fields, Divergence, and Curl](https://youtu.be/2qxxd68fZng) |
 
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 ### Table of Critical Equations to Know: