Graphical Calculator
https://www.desmos.com/calculator
Mathway
https://www.mathway.com/Algebra
https://search.creativecommons.org/
DC Circuits Wisc-Online Search the following topics from https://www.wisc-online.com/
1. What is Electricity
https://www.wisc-online.com/learn/technical/electronics-dc/dce15811/what-is-electricity
2. Methods of Producing Electricity
https://www.wisc-online.com/learn/technical/electronics-dc/dce19218/methods-of-producing-electricity
3. Batteries
https://www.wisc-online.com/learn/technical/electronics-dc/dce9804/batteries
4. Abbreviations of Electrical Quantities
5. How Current Requires Voltage
https://www.wisc-online.com/learn/technical/electronics-dc/dce19318/how-current-requires-voltage
6. Conductors – Insulators – Resistors
DC Circuits
https://www.wisc-online.com/learn/technical/electronics-dc
1. Total Resistance in Series
2. Current in a Series Circuit
https://www.wisc-online.com/learn/technical/electronics-dc/dce302/current-in-a-series-circuit
3. Ohm’s Law
a. Ohm’s Law Practice Problems 1-10
https://www.wisc-online.com/learn/technical/electronics-dc/dce11904/ohms-law-practice-problems-1
4. Power Law – The Relationship between Voltage, Current, Resistance and Power
5. Series Circuits
a. Series Circuit Analysis Practice Problems 1-10
6. Parallel Circuits
a. Parallel Circuit Analysis Practice Problems 1-10
7. Series-Parallel Circuits
a. Series -Parallel Circuit Analysis Practice Problems 1-10
Solder Course with Video and Slides
https://www.instructables.com/How-to-Solder-Perfectly/
Beginner's Guide to Soldering Electronics 33:06 - Flux Demo
https://www.youtube.com/watch?v=M2Jf8cebwCs&feature=emb_rel_end
Crash Course 16:10
https://www.youtube.com/watch?v=6rmErwU5E-k&feature=emb_rel_end
Linux popularity is exploding.
If you need addition help check out the following links
https://distrowatch.com/ - Lists the top Linux distros since 2002
10 companies that use Linux
http://www.linuxandubuntu.com/home/10-top-companies-that-are-powered-by-linux
Why Linux