1. Number Entry InterfacesSarah Wiseman !UCL Interaction Centre 2. Why Number Entry?• Errors are important!• Happens every day!• So many interface options!• Numbers…
1. There iscake on the table. I put anotherof cake on the table. What fraction of the cake is on the table now? 2. ADDITION OF FRACTIONS (in simplest form) We are going to…