Upon entering wrong GPA command for GPA calculation, the error pormpts only occur at the bottom. Users will be unsure of which input they have keyed in wrongly and this might lead to reptitive errors and wrong GPA calculation.  <!--session: 1712306667157-fa178a2e-eea3-4c05-b4be-dd73a4ae46b5--> <!--Version: Desktop v3.5.3-->
Upon entering wrong GPA command for GPA calculation, the error pormpts only occur at the bottom.
Users will be unsure of which input they have keyed in wrongly and this might lead to reptitive errors and wrong GPA calculation.