A free program for Android, by PLATANUS.
The Number Series Calculator is a free and useful application that is capable of calculating number series and sequences with a great deal of ease. You can calculate various number series, such as Fibonacci, Arithmetic, Geometric, and many more.
The purpose of this application is to help you solve problems with number series that are used in various tests and exams, such as IQ Test or Job Aptitude Test. This application can be useful to all math lovers.
This application can be used to find the next or missing terms in a number of series. It also provides you with the ability to find the formula (pattern) of an arithmetic sequence. You can see a sequence graph or a graph of your own math function.
The app is free and does not require an internet connection.