geometric. Similar to an arithmetic sequence, a geometric sequence is determined completely by the first term a, and the common ratio r.
A single picture and this thing solves it instantly PLUS much needed explanations. All you do is scan and go, then your set I wouldn't say it takes care of all math problems, also, no ads too?! 5/5 stars. Good math helper, honestly such a life save and time saver.
App is probably the best app for math, extremely helpful for majority of math topics, solutions/explanations could maybe be a bit more in depth. Fast and accurate at solving problems and very easy to use.