sum((exp(1))^(k/n),k,1,2) `e1n+e2n`sum((exp(1))^(k/n),k,0,n-1) `e1e1n-1-1e1n-1`normal(sum((exp(1))^(k/n),k,0,n-1)) `e1-1e1n-1`limit(normal(sum((exp(1))^(k/n),k,0,n-1)),n=(+(infinity))) `+`limit(1/n*normal(sum((exp(1))^(k/n),k,0,n-1)),n=(+(infinity))) `e1-1`integrate(exp(x),x,0,1) `e1-1`@`@`@`@`@`@`@`@`