Some more vector calculus. Convex Functions A function f(x) is called convex on the interval (a, Active 4 years, 5 months ago. formula we will give some applications and then discuss a little bit of its history. 3. The last step is explaining how you found the answer. Viewed 615 times 2. Join StudySoup for FREE. Proof. According to the user input calculate the same. Topics Explained- 1. Get Full Access to Statistics - Textbook Survival Guide. PDF | On Feb 1, 1989, J. M. Patin published A Very Short Proof of Stirling's Formula | Find, read and cite all the research you need on ResearchGate How to find. A remark on Stirling’s formula, American Mathematical Monthly 62 (1955) pp. 7. Stirling’s contribution to Theorem1.1was recognizing the role of the constant p 2ˇ. I'm writing a small library for statistical sampling which needs to run as fast as possible. More accurate formula is . 5. Stirling’s formula (Problem 2) gives a useful asymptotic approximation for Using this formula, we can easily evaluate many limits involving factorials..