Hi, here are some of the answers to your questions. GT:- Grand Total: It shows the cumulative total of your calculations MU:- Mark Up: It is used to calculate the CROSS PROFIT MARGIN in business environment. MRC:- If pressed once, it shows the number stored in the memory. If pressed twice it clears the memory. AC:- All Clear: It clears everything CE:- Clear Entry: Clears the last entry of calculations. ON/C: If the calculator is off, it turns it on. If the calculator is on it clears all entries. If you have any more questions you can visit this site: http://www.aurora-ltd.co.uk/OpInst/FunctionsGuide.htm it has almost everything covering the calculator buttons.
Lujaina96
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What make and model calculator? Off hand, I'd say AC is "all clear", CE is "clear entry", ON/C is "on" if the calculator is off and "clear" if the calculator is on, and +/- changes the sign of the entry. MRC could be "memory recall" or "memory clear" and GT could be "go to". Without knowing the particular calculator in question, there's not much more anyone could tell you.
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