The Richardson's Extrapolation Graphical User Interface Excel Spreadsheet Solver

In this paper, the fourth version of Richardson’s extrapolation Excel spreadsheet calculator for computing differentiations numerically has been upgraded. In this version, a graphical user interface (GUI) form was developed to capture users’ inputs so that users will not confuse the input and output in Excel spreadsheet. It makes this version of GUI Excel spreadsheet solver more user friendly, attractive and interactive. A summative evaluation of this Richardson’s extrapolation GUI Excel spreadsheet solver has been conducted by involving 20 postgraduate students by using questionnaire. The findings showed that the majority of the students agreed that the Richardson’s extrapolation graphical user interface (GUI) spreadsheet solver provides an interesting and interactive learning environment.