Numerical Capabilities

Equation solving
- fsolve(exp(-x^2)=x,x);
- fsolve({cos(x*y)+x=0, x+y=1},{x,y});
Integration
- evalf(int(exp(-x^3),x=0..1);
- evalf(Int(1/(1+x^2), x=0..infinity);
- int(sin(x)/ln(x),x=Pi/2..Pi);
- evalf(");