# This is the main index
I have written these notes for myself, I thought it would be cool to share them. These notes may be inaccurate, incomplete, or incoherent. No warranty is expressed or implied. Reader assumes all risk and liabilities.
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[Separable equations (lec 1)](separable-equations-lec-1.html)
[Homogenous equations (lec 2)](homogenous-equations-lec-2.html)
[Linear equations (lec 2-3)](linear-equations-lec-2-3.html)
[Bernoulli equations (lec 3)](bernoulli-equations-lec-3.html)
[Linear coefficient equations (lec 4)](linear-coefficient-equations-lec-4.html)
[Exact equations (lec 4-5)](exact-equations-lec-4-5.html)
[Second order homogenous linear equations (lec 5-7)](second-order-homogenous-linear-equations-lec-5-7.html) 
[Method of undetermined coefficients (lec 8-9)](method-of-undetermined-coefficients-lec-8-9.html)
[Variation of parameters (lec 9-10)](variation-of-parameters-lec-9-10.html) 
[Cauchy-Euler equations (lec 10)](cauchy-euler-equations-lec-10.html)
[Free vibrations (lec 11-12)](free-vibrations-lec-11-12.html) (raw notes, not reviewed or revised yet.)
[Resonance & AM (lec 13-14)](resonance-am-lec-13-14.html)
[Laplace transform (lec 14-15)](laplace-transform-lec-14-15.html) (raw notes, not reviewed or revised yet.)

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[How to solve any DE, a flow chart](Solve-any-DE.png)
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