with this mod, when trying to make research you need to send a signal using a combination of A and B and a certain mathmatical formula
Problum is I have no idea what the hell it is.
says here "Using the mathematical operator (+-*/)"
I have zero idea what that means as I tried plusing A and Bk, then subtracting it but that gives a zero so I can't continue with the formula
Please help, I want to enjoy this mod, but I can't if I am stuck on something that makes zero sense

You only need one operator at a time. The supercomputer should output a signal of one for which operator you should be using.

SOLUTION: You need 4 arithmetic combinators, one for each operator (A + B, A - B, A * B, A / B), each connected to a decider combinator, which only lets the signals through if the operator signal = 1, you're basically building a 4-function calculator. You can see the setup in the space platform menu sim in the bottom left.

I will try to improve the explanation of the problem in game, but its a matter of finding a balance of sufficient instruction to make it solvable, without giving the answer away.

I believe the current discription, but replacing "Correct mathematical operator" with the "Provided mathematical operator" would probably make it seem more obvious what the equation (A +-*/ B = X) is without telling you the exact circuits to use,

Also for future science packs to make it more complicated i suggest making it so that it provides multiple equations (perhaps A+B-C) with the equation number indicating which step (A = 23 B = 32 C = 5 + = 1 - = 2 becomes 23+32-5)

Progress update: have you ever solved Pythagoras theorem 300 times per minute?

A: Dear god.
B: that would be very amusing.

Sweet Jesus... I love it already

I had trouble as well...for hours trying to understand how circuits work(I've never built my own network) But you'll need 4 deciders and arithmetic combinators. Deciders taking the info then doing one of the 4 tasks (adding,subtracting,dividing,multiplying) then outputting as everything into the arithmetic combinators. The deciders act as what the arithmetic combinators will do so, in the arithmetic have both A and B as the inputs with the relative task from the connected decider then outputting as just X

Yeah, the way i did it was the 4 arithmetics did the math in pararell and fed into one decider each which then checked if it got the equations symbol from the super computer and if so then it pushes the arithmetics signal through

Very nice, Good luck on the second science pack.