Recent content by axel789

Because I would like to put them in a program i made in excel who draws automatically the grid and the coordinates of the danger zone. Also when i give courses in CBRN , here it is Chemical, I can give the exact value and not "something around that number". You could call me a detailist...

Hello, In attachment an example from a solution if you use the graph by drawing lines. I already searched the internet and I thought it was a gaussian model but it was far more complex then the graphs. It's not that I am not trying but I don't know where to start and I my math is rather...

Homework Statement Hello, I'm searching for the formula for the 2 pictures in attachment. The first is de reduction factor day and the other is the reduction factor night. As example for the factor day: on X I put the distance 10 Km, then I choose the value off L = 3 then I have as...