A calculator with the letter MC in the corner and a tabelt.
A pen is next to a calculator and on top of a notebook that says, among other things, 1. Mo 2. Di 3. Mi 4. Do in a column.
A calculator has a button that says MC and another that says MR.
A ledger next to a calculator with the word OFF over CE and ON/C.
A calculator and pen are on top of a planner with lines for every day of the week.