/ /-pi \\ lim |x*|---- + atan(x)|| x->0+\ \ 2 //
Limit(x*((-pi)/2 + atan(x)), x, 0)
/ /-pi \\ lim |x*|---- + atan(x)|| x->0+\ \ 2 //
0
= -2.86734555729065e-32
/ /-pi \\ lim |x*|---- + atan(x)|| x->0-\ \ 2 //
0
= -1.79275551063607e-33
= -1.79275551063607e-33