If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( n )
n = 0
n = 0
n = 0
n in (-oo:0) U (0:+oo)
0.5/0.8 = 220/n // - 220/n
0.5/0.8-(220/n) = 0
0.5/0.8-220*n^-1 = 0
-220*n^-1 = -0.625 // : -220
n^-1 = 0.00284091
-1 < 0
1/(n^1) = 0.00284091 // * n^1
1 = 0.00284091*n^1 // : 0.00284091
351.99988736 = n^1
n = 351.99988736
n = 351.99988736
| z-20=-8 | | -32x+43-20x=-25+30-45x | | .3x+1=4 | | 2(x+1)+(x+1)-(x-2)=9 | | 11z=143 | | Xy-2x+3y-4=0 | | 12x-2y=35 | | 11+c=17 | | 7+c=19 | | 9+c=22 | | .65=x/2 | | 9+c=15 | | 10y/4y | | C+4=23 | | 8+c=17 | | V-10=-34 | | [-9-(-3+5)]-[-17-(-3)]= | | (2xy-3/3x-2y2)2 | | -[-6-(-1)]-(-11)= | | 3x^2=-6 | | -5y+6=-13y+62 | | -[-7-(-2)]-(-14)= | | 2.0=9.6/x | | (x/2-1)*(x/2-1) | | 15-(-10x)+4x-(-10)= | | 3m+7=4.2m+5 | | x-12222=8247547363735353646 | | -14-14-(-12)= | | 4(U+9)=8U+40 | | 1.2=9.6/x | | 0.5(x-2)=3x+5-2x | | y=6x^3-13x^2+4 |