A flexible math flash card app, suitable for any level from early elementary to advanced. Pick a combination of operators (+ - ) and a range of numbers (-999 to 999). Set a time limit or a number of cards. See your results in a detailed report. This app is ad-free and designed for the latest iPhones and iPads, including iPhone 6 and 6 Plus. A few examples of card sets you can create with this app: Addition of numbers between 1 and 10 for ten minutes Multiplication by 3's 20 subtraction cards Negative multiplication and division Working on 5's: add, subtract, multiply, and divide random numbers by 5 Addition of big numbers like 678 + 279See what this app can do for yourself!