# Octave 3.2.4, Thu Oct 14 12:40:14 2010    
z=3+4i
z=3+4i;
w=exp(i*pi/6)
complex(3,4)
1^(1/3)
(-1)^(1/3)
p=[1 0 0 -1]
roots(p)
pent=[1 0 0 0 0 -1]
roots(pent)
r=roots(pent)
r(1)
r(2)
z
compass(z)
grid on
abs(z)
real(z)
imag(z)
zc=conj(z)
hold on
compass(zc)
axis off
grid off
# Octave 3.2.4, Thu Oct 14 16:25:20 2010
z=3+4i
w=exp(i*pi/6)
z*w
z/w
z+w
z-w
log(-1)
format long
log(-1)
format
log(-1)
format bit
0.1
quit
