Use APKPure App
Get Combinatorial Calculator old version APK for Android
Simple app for solving combinatorial problems (Permutations, Variations, ...)
This is the perfect app for solving school problems. Compute factorial of n to solve permutations problem. Show permutations and find their ranks. Find how many ways there are to make a group of 3 out of 12 students (combinations). Find all variations for the safe password (variations) and many more.