Question about HP 48gx Calculator

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Try to recover memory

Variables have gone, now I have two soft black keys at A B menu keys areas that say D.01 and D.02, press the D.01 and D.02 keys D.01 D.02 words appear in status area next to HOME

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  • HP Master
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Hello,
Press [Right Shift cyan key][ ' ] to return to the [HOME] folder. Press the [MTH] under the white [A] key and the math tools will reappear [VECTR], [MATR], [LIST], [HYP], [REAL], [BASE] etc.
Hope it helps.

Posted on Nov 09, 2009

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When you clear memory, the contrast sometimes changes. If the screen
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Resetting RAM restores RAM system variables to factory settings and
deletes all nonsystem variables and all programs. Resetting defaults
restores all system variables to default settings without deleting variables and programs in RAM. Resetting RAM or resetting defaults does not
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Tip: Before you reset all RAM memory, consider restoring sufficient available
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To reset all RAM memory or RAM defaults on the TI-83 Plus, follow these
steps.
1. From the RAM ARCHIVE ALL menu, select 1:ALL RAM to display the
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2. If you are resetting RAM, read the message below the RESET RAM
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When you clear memory, the contrast sometimes changes. If the screen
is faded or blank, adjust the contrast by pressing 2nd and up- arrow or down- arrow keys .

Resetting RAM restores RAM system variables to factory settings and
deletes all nonsystem variables and all programs. Resetting defaults
restores all system variables to default settings without deleting variables and programs in RAM. Resetting RAM or resetting defaults does not
affect variables and applications in user data archive.
Tip: Before you reset all RAM memory, consider restoring sufficient available
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To reset all RAM memory or RAM defaults on the TI-83 Plus, follow these
steps.
1. From the RAM ARCHIVE ALL menu, select 1:ALL RAM to display the
RESET RAM menu or 2:Defaults to display the RESET DEFAULTS menu.
2. If you are resetting RAM, read the message below the RESET RAM
menu.
• To cancel the reset and return to the home screen, press .
• To erase RAM memory or reset defaults, select 2:Reset.
Depending on your choice, the message RAM cleared or Defaults
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When i turn on my TI-84 silver edition only thing i see is a blinkin blaxk square on the top let corner.hiting any key wont do nothing it stays the same. Need help


If a checkerboard cursor ( black square ) is displayed, then either you have entered the maximum number of characters in a prompt, or memory is full.
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Hello.

Here is a procedure to reset the TI-89 to factory settings (found online):

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    My HP 48GX just displays a black (all pixel) display screen with one vertical stripe down the middle. I tried reset button and now it displays 2 vertical stripes (the new one divides the right half in...


    I just had this exact problem so I reset the memory as instructed below. Know I am back in business. Memory reset A memory reset will return the HP 48 to its factory-default state, which will erase all stored user memory. Use this feature very carefully.
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