D[Cos[Log[Sin[x]]+x]+x,x]
Integrate[5*E^(3*x),{x,2,a}] // Expand
FactorSquareFree[1 - 2*x^2 + x^4]
Sum[i, {i, 1, n}]
Together[(1/2 + 3/a)^2+b/c]
40!
Solve[x^2-x-2.5==0,x]
Print["3+2 = ? (thats from Print[]): ", 3+2]
