If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( z )
z = 0
z = 0
z = 0
z in (-oo:0) U (0:+oo)
6/11 = 0.12/z // - 0.12/z
6/11-(0.12/z) = 0
6/11-0.12*z^-1 = 0
-0.12*z^-1 = -6/11 // : -0.12
z^-1 = 4.54545458
-1 < 0
1/(z^1) = 4.54545458 // * z^1
1 = 4.54545458*z^1 // : 4.54545458
0.22 = z^1
z = 0.22
z = 0.22
| 5y+10=6x | | 30x-90=0 | | 60=(2L+8)+2W | | 5(4w+1)=2(10w+3) | | 60=(2W+8)+2L | | abcdefghijklmnopqrstuvwxyz=123456789123456789 | | 11x+6-2x=24 | | 8684x+20=825000 | | 2*2/3e=1/18 | | 5x-6(x+4)=32 | | Lnx^3=39 | | n/8=15/4 | | 60=2L+(2W+8) | | -3y+2y=-5 | | wxyz+78-79-67=4567 | | 9z+11=-9z+8 | | a=2x+10 | | 14/8=n/32 | | 3(5-2x)+6x=15 | | 2x:2= | | 2y-(y-5)=-15 | | x^2-4x+y^2-9y-36=0 | | 0-2y=-3 | | 17.3x-(-3)=72.2 | | 12x-4x^2+25n^2-9=0 | | -1/3×5 | | -2/3y=6 | | X+26=9 | | -15w=-6 | | 8x^2+4x+-1=0 | | 6(7-2v)+8v=5v-3 | | 6(x+2)=3+6x |