Let's Make Robots!

Calculations Formulars

Now it have been about 7years since i last worked with electronics at home, and i am now facing a realy big problem.

Over those years i have lost all my formulars to calculate diferent transistor koblings(Ub, Ib and so on), resistors, voltage, amplyfing, amp.

Any1 got those, and if so, can i then persuade you to either mail them to me, or post them in here? :0)