You need a scientific calculator, or one with function keys.
Open Calculator by clicking the Start button . In the search box, type Calculator, and then, in the list of results, clickCalculator.Click the View menu, and then click the mode that you want.When you switch modes, the current calculation is cleared. Calculation history and numbers stored by the memory keys are retained.Click the calculator keys to perform the calculation you want.
Yes, solving math problems on a Scientific calculator does use memory.
yes they can be used as a calculator!
USB memory keys or flash drives
One is clear, the other is clear everything. Use clear to just change the last number you put in. Clear everything to start all over again. The other keys relate to memory, of which your calculator seems to be able to store *one* number. MC clears the memory (sets it to zero).. MR recalls the memory (puts the number from memory into the display, so that you can add to it or whatever. MS stores the number on the display into memory. M+ adds the nmuber on the display to the number in memory
You can subtract whatever number you have entered into memory.
Memory Store. Save the displayed value in the memory.
Memory Recall/Clear
memory/recall
The MC button should clear the memory.
It means 'memory clear'. Doing some calculations on pocket calculator you can save some results in memory to use it later. That button erase everything stored in the memory.