What does m+ on a calculator mean?

M is the abbreviation of Memory (storage). M+ performs addition operations on the basis of the original stored information. Calculator generally consists of arithmetic unit, controller, memory, keyboard, display, power supply and some optional peripherals and electronic accessories, through manual or machine equipment.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

M means to add in memory; M- means to reduce the number in memory.

M is the abbreviation of Memory (storage). M+ is to perform addition operations on the basis of the original stored information; M- is to perform subtraction operations on the basis of the original stored information. MR is to map the stored information to the display screen that is being calculated (it will overwrite the calculation being performed). MC is to clear the stored information.

Calculator generally consists of arithmetic unit, controller, memory, keyboard, display, power supply and some optional peripherals and electronic accessories, through manual or machine equipment. The arithmetic unit and controller of low-end calculators use digital logic circuits to implement simple serial operations, and their random access memory has only one or two units for accumulation storage.

Extended information:

Function introduction on the calculator:

1. MS: Will be displayed The content is stored in the memory, and the original data in the memory is flushed away.

2. MRC: Pressing this key for the first time will recall the memory contents, and pressing it for the second time will clear the memory contents.

3. GT: GT=Grand Total means the sum of the total, that is, all the numbers obtained after pressing the equal sign are accumulated and added and then transferred to the GT storage register. Press GT to display the accumulated number, press it again to clear it.

4. MU (Mark-up and Mark-down key): Press this key to complete the calculation of interest rate and tax rate. See Example 3 for details;

5. CE: Clear the input key. Pressing this key during digital input will clear the value in the input register and display "0", which can be re-entered;

6, AC: clears all data results and operators.

7. ON/C: Power on/all clear key. Press this key to power on or clear the values ​​in all registers.

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