Investigate real and complex valued sequences, recurrence relations and series.
1,000+ downloads
About Complex Sequences & Series
Complex Sequences & Series is an education app developed by Knowle Consultants.
Download Statistics
Complex Sequences & Series has been downloaded 2.5 thousand times. In the last 30 days, the app was downloaded 4 times.
User Ratings
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App Information
Complex Sequences & Series is FREE to download. The APK download size is 8.64 MB. The latest version available is 1.26. The last update was on June 10, 2026.
Technical Requirements
Complex Sequences & Series requires Android 5.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play April 2019.
Description
If you have ever studied real or complex analysis and in particular, sequences, recurrence relations or series, then this application may be of interest.
You can define constants and expressions using a rich set of mathematical functions and then step through a sequence to help you understand its long-term behaviour. For instance, you may already know that a series converges to a particular value, but this application will allow you to actually see the convergence happening, one step at a time.
Real and complex plots provide visual feedback as you step through a sequence. The real plot can display either Re(z), Im(z), Mod(z), Arg(z), Re(sum), Im(sum), Mod(sum) or Arg(sum). The complex plot can display either sequence values or partial sums. You can change the plot modes at any point in a sequence, allowing you to clearly see how the values are changing over time. The plots make this application an invaluable tool for understanding the long-term behaviour of sequences and series.
The powerful complex number expression evaluator means the application can also be used as a general purpose, albeit somewhat unconventional, calculator.
Everything you enter on up to 10 worksheets is automatically saved as you go along, so everything looks exactly the same next time you launch the application. This means you can define up to 10 different sequences and then recall them for class demonstrations or discussions.
Finally, you are not left alone to figure out how the application works. There is a brief user guide, help with expressions and a couple of detailed examples you can work through.
We hope you enjoy using this application and learn at least a little bit more about this fascinating area of mathematics.
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Comments on Complex Sequences & Series for Android
★★★★★Andy B· May 8, 2019
Very neat little app. Great fun to experiment and see the plots and graphs of your number sequence functions. A must for anyone who likes to play with mathematical sequences.
★★★★☆Dom Feast· May 11, 2019
Very good app... had to read the Help through to understand how best to use it but once the penny dropped it was easy to use...nice to see the sequences visually, and having different worksheets is great, so you're not restricted to one sequence at a time. Might be nice to show a line linking the discrete plot points - at least as an option - as it would help to show trends/convergence/etc.?
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