Addition and Subtraction Any D

Features Addition and Subtraction Any D

Here is a simple app that will help anyone improve their math skills.Features:- Free and offline- Suitable for any age- Includes 3 basic operations: Add, Subtract and Multiply- Set your own number range (sample: 1 to 3 or 20 to 2000 or 150 to 500 etc.)- All numbers are randomly generated- Timer is carefully adjusted depending on how many digits the answer has.Modes:Normal ModePlay with no time limit.
Your points will be based on the time consumed with a correct answer.Beat D Clock ModeEach challenge has a specific time limit.
Give the correct answer before time runs out.