don't use comments, just give me something i can paste into desmos (don't use comments)
Subscripts may only contain letters and digits. ',' is not allowed
prefer
u_{1a} = 0.117
over
u_1a = 0.117
multi-character functions are not allowed if we want to define z(x)=x+2 we could do the following
h\left(x\right)=x+1 a_{hithere}\left(x,f_{myfunc}\right)=f_{myfunc}+1
z=a_{hithere}\left(x,h\left(x\right)\right)