#رياضيات_4
Partial Differential Equations P.D.E's
#Books
Mathematical Methods for Engineers and Scientists 3
https://goo.gl/ENt9KE
Partial Differential Equations for Scientists and Engineers
https://goo.gl/5JJvL1
Partial Differential Equations An Introduction 2nd Edition
https://goo.gl/6yAlOa
#Courses
Partial differential equations by commutant
https://goo.gl/edXEH5
Partial Differential Equations by Dr Chris Tisdell
https://goo.gl/LX47FK
MIT Learn Differential Equations
https://goo.gl/EM4omq
#Lectures
00 https://goo.gl/pRWIv8

#أساسيات_إلكترونية
#Books
Electronic Devices 9th edition by Floyd
https://goo.gl/6w3oWI
The Art of Electronics 3rd Edition
https://goo.gl/Bp8lwc

#دوائر_كهربية
#Books
Electric Circuits 9th ed J. Nilsson, S. Riedel
https://goo.gl/6W9FEk
Fundamentals of Electric Circuits 5th Edition
https://goo.gl/CcUQK3
#Courses
Introduction to Electric Circuits
https://goo.gl/ALYL5x
MIT 6.002 Circuits and Electronics, Spring 2007
https://goo.gl/1LBL82
Electric/Electronic Circuits
https://goo.gl/Wr0XJ5