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My hp12c displays D.My, how do I remove this?

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You're in Day-Month-Year format. To switch to Month-Day-Year format, press g MDY.

Posted on Oct 15, 2010


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Does not register decimal places at times

Some calculators, and spreadsheets, do not display decimals when your answer is a whole number, unless you specifically set it to a certain number of decimal places.

Good luck,


Aug 01, 2015 | HP12C Finance Calculator

1 Answer

How do you calculate square root on HP12C?

Use the square root function. It's the g-shifted function of the 1/x key (second key from the left on the second row).

May 14, 2014 | HP 12c Calculator

1 Answer

What does D.MY mean on my HP12c display screen

It means the date format is set to Date-Month-Year. To switch to Month-Date-Year, press g [M.DY].

M.DY is on the 5 key.

Feb 11, 2014 | HP 12c Calculator

1 Answer

Letters d.m.y. on display in my HP12C. How do I remove?

To switch from Date-Month-Year to Month-Date-Year, press g [M.DY]

M.DY is the g-shifted function of the 5 key.

Jan 26, 2013 | HP 12c Calculator

1 Answer

Why does my HP12C have a c in the bottom right corner of the display?

It indicates that the calculator is set for compound interest on the odd period instead of simple interest. To toggle this setting press STO EEX.

Jun 02, 2012 | HP Calculators Hp12c Finance Calculator

1 Answer

The display on my hp12c has the word BEGIN and also to the right of that the letter C. How do I clear those out?

To switch the payment mode from the beginning of the period to the end of the period, press g [END].

To switch the interest on the odd period between compound and simple, press STO EEX.

Apr 23, 2011 | HP 12c Calculator

1 Answer

The display on my HP12C shows 0,00 instead of 0.00. Can you help me fix it? Thank you! Rebecca Loughlin

To switch the radix point between the US and European modes, press and hold the decimal point key, press and release the ON key, then release the decimal point key.

Nov 16, 2010 | HP 12c Calculator

1 Answer

HP 12C went into scientific notation and will not come out of it

To exit the scientific display format press the [f] key followed by the number of decimal digits you want.
Hope it helps.

Oct 31, 2009 | HP 12c Calculator

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