The Mass Operation key has been removed from the newer version of EasyMoney.
The checkbox to the left of every transaction is now used for mass operation.
To clear/unclear/reconcile/delete all, please follow the steps below:
1) Press 'Change Period' to select the appropriate period
2) If applicable, use MENU->Advanced Search to filter the list further
3) Press and hold on any row to open a menu.
4) Select 'Select All' to select all transactions listed
5) Press Action button and select the desired operation