Exceptional App
This app is by far the most functional and accurate algebra/factoring app Ive ever used. One thing I love in paticular is that, while it gives you the answer to whatever you put in, it gives you a step-by-step explanation as to how the answer was reached (good for learning the material yourself, even better for copying down if your teacher requires you to show your work~). There also arent any fees or hidden pay-to-use deals, unless you want to remove ads for $2. Overall, definitely worthy of five stars!
Koyuki Dukai about
MathPapa - Algebra Calculator, v1.2.5