Funny Things

The MC, M-, M+, and MR Buttons at the Top of a Calculator

I have never used these in my 18 years of life, not have I even learned what they do. See also Math, Unnecessary, Useless.

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Added by a Guest on January 22, 2018 | You Like This |

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M+ = Add to memory M- = Subtract from memory MC = Memory Clear (clear stored value) MRC = Memory Re-Call (recall stored value) MU = Mark Up

g on February 1, 2018

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Never used them really? I use them constantly....

WholamWholwant on May 16, 2018

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when are we supposed to use those. not once has my teacher or anyone i know pointed them out

another person on September 1, 2020

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what do you use mu for but for mrc its pretty useful for cheating you can save values for questions and its even better for a scientific calculator

a nobody on April 8, 2021

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These are memory functions. Old or simple calculators have a memory register - essentially a second calculator that can handle addition/subtraction only. M+, M-: Add (or subtract) the current value to (or from) the stored value in the memory register. MR : Recall the current memory register value.

Guest, totally on May 7, 2021

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Glad I'm not the only one to not know what they mean. But even after learning them, I'm still probably not gonna use them.

Yeetaleet 2 on October 6, 2021

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