Mathlete

Mathlete is completely free.
Struggling with Maths? With Mathlete learning is easy! Choose the functions you struggle with, a difficulty level and a the number of questions you want to answer and away you go. Track your progress with the in-app graphs and upload your results to Twitter to share your progress with your friends.
Mathlete records the time it takes you to complete each individual question and the set of questions as a whole. This allows you to identify the areas of mathematics require the most attention. Using the detailed graphs you can see the day-by-day improvements in solving Maths problems you are making using Mathlete.
Over time as you become accustomed to answering questions in quick succession, your brain will develop its own tricks and ways to solve sums in a matter of seconds, enhancing your mental capacity and ability.

Users can choose from; negative numbers, decimal numbers, addition, multiplication, subtraction, division, multiple difficulties and lengths, Allowing for thousands of different combinations.
If you wanted a set of 10 easy questions that have Addition and Division only but includes negative numbers you can do that. Create Your own combination choosing specific options at each point to generate you own specific set of questions for your needs.

Utilizing a unique contemporary style, you can use this to practice the most basic of calculations in public without feeling embarrassed.
Mathlete works on all devices with Android 2.3 and above and supports, Normal, Large and X-Large devices, both tablet and phones of all screen densities.

You can be confident using Mathlete, your mathematics ability in class and everyday life will increase and become more versatile. Maths becomes easier and easier as you answer questions everyday.

Track Your Progress As You Tackle Thousands Of Combinations of Maths Problems.