If , when writing numbers, we add any letter the data type automatically goes into TEXT. Data that consists of special signs is also the textual data type.
Setting the data type as TEXT:
TEXT
End.
Additional information about keyboard keys: Pressing the TAB key changes the active cell - and goes to the next cell. Pressing the ENTER key confirms data input into the cell and confirms data changes of the active cell.
Arrow keys are used to switch the active cell.