when you store the term of a function with the Y=-editor you have to use an independent variable (mostly x). Otherwise your functions are constants. Have a look at the entry row of the y=-editor: It starts with y1(x)=
This error occurs because you used an empty bracket with the name of the function. If the name of the independent variable is x then you have to use yn(x)My Solve function is:
I am getting the "Too few arguments" error....