(2+2i)*(3+3i)
int(x^2)
diff(x^2)
x^2+2x-1=9
plot(sin(x),x=0..360)
(1, 2, 3)#(4, 5, 6)
sum(x,x=1..10)
100+5%
100-5%
100*5%
sqrt(9)
ln(2)
log(100)
ncr(49, 6)
sin(90)
200m in cm
100[km/h] in [m/s]
1m + 20cm
2m + 5feet
125mils + 1mm in mm
300m + 1miles in m