Today Improvement, succesfully use Falstad Free Electronic engine to design Double pair of Darlington.
While it is a messy program coded in Java, having uses of Linux is «Breathing » a bit more due to integrity of compiler and interpreter are a bit stronger . Since my 486 SX-25Mhz or overdrived with a coprocessor at 486 DX, 100Mhz where Falstad beta engine where available only by browsing into some university. Personnaly I did not remember where exactly but it did having problem to draw the same picture... Having in mind only the first opened photo-flash in hand. I did not take the time to take a photo of the plate and inspecting deeply the plate to find correct schema and at the age of 12 years old I didn't make myself at work like I did working like coder and system/network administrator... Personally I did not see any body taking the time to make a personal plan to achieve theirs goal by working... While some say -- Could you just stop checking comment with your modification. -- It's for knowledge ! At the age of 36, tools start to be wild and stable... Why ta...