Users who needed to support higher print volumes or to produce graphics could buy a graph plotter from Amstrad.
2.
The fourth stage involved introduction of applications in January 2009 which allows users to conduct web meetings ( webinars ), schedule events, form study circles with peers, create opinion polls, comic creator etc . Also, applications like graph plotter, scientific calculator, examer app to create tests, Wikipedia search, etc . were introduced which help students in their routine school work.
मोबाइल