Jigme Norbu
25 July, 2015
-Usefulness
-Practicality
-User Friendly
-Interactivity
-High School students
-Math students
-basically for any curious soul who wants to learn one or two things about combination
-implementing the idea of combinatorial calculation and making it interactive. For instance:
## inputs
n <- 8
r <- 5
nCr <- choose(n, r)
## output
nCr
[1] 56
-Users can test what they have learned at school by just using the app and playing with the numbers.
-First you choose a number 'n'
-Then you choose the next number 'r'
-And you press GO!
-You will see your answer on the right