Question about Texas Instruments TI-30XA Calculator

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What does M1 in the upper left corner of my display mean?

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Posted on Jan 02, 2017

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SOURCE: m1 and m2 are in top left corner. How to undo it?

Press 0 [STO] 1 to clear the Memory M1. Indicator M1 will disappear.
Press 0 [STO] 2 to clear the Memory M2. Indicator M2 will disappear.

Posted on Dec 15, 2009

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SOURCE: TI 84 plus calculator, flashing dot in upper left hand corner


When you turn the calculator on, its screen is cleared, save for a small square on the top left corner. This is the cursor and it is blinking: The calculator is waiting for you to order it to perform some calculation.

Try this simple operation
[1] [+] [1] [ENTER]. The calculator will display the result one line down justified to the right.

Hope it helps.

Posted on Aug 26, 2009

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Ti 30x IIS displays memory cleared and will not do

Not sure but try

  • Press the "ON/AC" button to turn the TI-30Xa on. If the top-left corner of the display reads either "M1," "M2" or "M3," a number is stored in the corresponding memory.
  • 2 Press "0," "STO" and "1" if the number in the corner reads "M1." The upper-left corner should no longer say "M1."
  • 3 Press "0," "STO" and "2" to clear the "M2" memory. Pressing "0," "STO" and "3" clears the number stored in "M3" memory.

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    There is no question. You have a value that is too small to be represented the usual way, so the calculator displays it in scientific notation.
    If the calculator displays M1, it means that the memory location M1 contains a non-zero value. To clear that memory, store the value 0 in it.

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    M1 and m2 are in top left corner. How to undo it?

    Press 0 [STO] 1 to clear the Memory M1. Indicator M1 will disappear.
    Press 0 [STO] 2 to clear the Memory M2. Indicator M2 will disappear.

    Dec 15, 2009 | Texas Instruments TI-30XA Calculator

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    (In the future, please respond on your the same page as your original question).

    Look in the lower left corner of your LCD. You should see a letter (L, M1, M2, or S) and a shape to the left of it. If not, press the Display button until you do. Then follow the instructions on the previous response.

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    How to clear all information from screen

    screen has (m3)and (m1) in upper left corner, have not been able to totally clear screen.

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