NSN - NexaSeqNum is app that allows you to make remembering numbers in the sequence and allow you to increase your recall of numbers. the app will show you numbers in sequence once you enter the app and at last, it will give you the operator and you have to operate for all the numbers shown on the screen.For example : 5,2,15,3,10,15 and answer is 40.You have twenty-second to answer once the operator display. For every right question, you will get 10 points and -5 for the wrong question. you can also change the difficulty level for the app from the setting screen. if you find the app helpful give us a rating on the app store and share the app with your friends and family.