Combinatorics Mathematics

Pieter Pareit

In-app purchases

About this app

Combinatorics can calculate and enumerate all possible permutations, combinations, ...

Combinatorics algorithms:
* Permutations of letters
* Anagrams of words
* k-Permutations of letters
* Combinations of letters
* Combinations with repetitions of letters

Extra features:
* Displays the number of permutations/combinations/... with well formatted mathematical symbols using tex/latex
* Ability to share a calculation, for instance to save it to a file or to mail the result
* Unicode support, so letters of non latin alphabets and emoticons are also supported
* Option to send feedback from within application

Translations:
* English
* Dutch
* Portuguese
* Spanish

Ratings and reviews

Very good app. Please include a highlight option to copy and paste so it can be directly transfered to ms word. Also, symbols like +, -, *,/ , e.t.c, to get should be able to be inputed to know how many places a sign can be in a combination. E.g A+B-C and A-B+C and so on. Also, numbers like 10 and above are splited as 1 and 0. Lastly, once the letters exceed z, signs should be inputed like π,£, e.t.c. I really love this app and appreciate your team!

While i appreciate the effort, it does not show part permutations without repeats. Who cares that you can show the same letters in many repetitive ways? IE with "banana" you can show aa in 6 different ways! So what? And there's no choice. Please rectify to make it more interesting and useful. Anagrams show different combinations but only using all the letters. Why can't anybody get it right?

5 stars because i want to support this app but please 🥺 add a search 🔍 feature that will highlight whatever i search for exactly how it does on google chrome. Then i would buy pro. I feel this is essential when dealing with so many combinations or permutations and i just want to quickly get to the section that interests me. Thank you!

What's new

Version 2.2.0 (2023/12/09)
+ Spanish translations
+ French translations
+ Allow larger k-values on repetition
* Fix wrong typesetting on variations with repetitions

Note: We strive for accuracy in our translations. If you are a native speaker and notice any discrepancies, please provide feedback using the app's feedback options. Thanks!