Keypads (IMAGE) University of Washington Caption Four connected numeric keypads allow children to do math problems using the same computer. Credit Sunil Garg, University of Washington Usage Restrictions With credit to Sunil Garg, University of Washington License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.