For comparison with other CAS choose from: Axiom Derive Macsyma Maple Mathematica
limit(sin(x)/x,x,0);
1
limit((3*sin(pi*x) - sin(3*pi*x))/x^3,x,0);
^
3 4*pi
limit((2x+5)/(3x-2),x,infinity);
2 --- 3