choosing the max

[nouryn]

hi,my program should plot a graph of two function and then get the intersection point and get the points on the x,y axis then i get the value of it in a function z and get the highest value of z i completed the program but there is a problem in choosing the max value of z

[destin]

What is the problem?

[stultuske]

What is the problem?

and, more interesting to us, can you show us the code in which you are trying to get the max of those two?