MR is Memory Recall
MC is Memory Clear
M+ is Memory add
M- is Memory subtract
These are used to add and subtract the answers to multi-step equations so you can do the small steps with the calculator, then store, change or recall the total as needed. You might add a long string of numbers in groups this way. Or you can do all operations in one parenthesis, then just store the total of each.
Wiki User
∙ 13y agoThe MC button should clear the memory.
Usually MC is Memory Clear.There will often also be:MR - Memory RecallM+ - Memory PlusIf you have a MRC button, then it is Memory Recall/Clear. Pressing it once will recall the memory; immediately pressing it a second time will recall the memory and clear it at the same time.
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mc does not stand for anything.
The correct formula is E = MC².
M is usually used to indicate that something is stored in memory. Try pressing MC or Memory Clear or something like that to get rid of it.
2 mc squared
Ask MC stretch (chris wray)
MC Hammer Mc. Hammer!!!!
Mc patches is when you say to the order box at the drive through " get me a mc paches and a mc chicken and some mc fries please"
Equal to MC.