This is a great app for teachers to calculate their reading benchmarks (running records) of their students with ease. The design is simple to use and was created by a teacher for teachers. This app is compatible on most devices. So stop wasting time doing three calculations, put the dat a in one app and let it calculate it for you. The classroom is a busy place especially around assessment time. In the real world we all know we generally do more then one running record for a student each term to make sure they are reading at their best level. So cut down on your data admin time and purchase this app.