Take fees at a desk and sell at the canteen counter with no internet at all. It keeps what it records and sends it up when the network comes back.
Windows 10 or later, 64-bit
Windows may warn you the first time. The installer is not signed with a paid certificate yet, so Windows says it does not recognise it. Choose More info and then Run anyway.
Who can sign in. The two halves are separate permissions. Somebody collecting fees needs offline fees; somebody on the canteen or tuck shop counter needs the till. An administrator grants these under Settings, and a canteen account deliberately cannot see what a family owes.
Looking for the phone app instead? Google Play · App Store