Community Tip - Visit the PTCooler (the community lounge) to get to know your fellow community members and check out some of Dale's Friday Humor posts! X
One interesting task - one interesting error (?) of Mathcad:
A direct tast with Mathcad-solution:
Can you do it without Mathcad and without any computer only in mind?
PS
The origin - http://1001task.ru/task/79