Set the display to 2 decimal places then use the [RND] function. See how the manual describes the Round operation.
Brief example:
01- 42 2 [f][2]
02- 42 14 [f][RND]
03- 42 9 [f][9]
The above program takes the number displayed and rounds to 2 decimal places (nearest 100th), then displays all decimal places.
If you entered 2.876 and ran the program, it would display 2.880000000.
SOURCE: my calculator has a funny format
Try pushing and releasing [f], then [4]. This will give you 4 decimal places. (It follows that if you want 5 decimal places, push 5 instead of 4, etc). If that doesn't work, you can try taking the batteries out and putting them back in which should reset it to 2 decimal places, then set it where you want it following the above.
If it continues to malfunction I suggest taking the batteries out for 24 hours to allow a static discharge. This will lose anything you stored in the calculator, setting it back to how it came from the factory.
SOURCE: HP 12C
IF I REMEMBER THIS IS A PROGRAMABLE CALCULATOR RIGHT, YES IF IT IS PROGRAMABLE, NOW YOU HAVE AN ANSWER TO THE MILLION DOLLAR QUESTION HOW TO DO IT MY BE ON THE INSIDE OF THE COVER OF THE DUST COVER .
HP MAYBE ABLE TO FIND SOMEONE TO HELP YOU.
HP FORUM CHAT LINE, HELP LINE, USER GROUP, OLD COMPUTER CLUB, FRIENDS WORK AROUND ENGINEERS MY HAVE THE KNOWLEDGE, OLDER CLIENT TELL.
PROGRAMS OLDER USER GROUPS, EVEN CHESS PLAYS THAT USE PROGRAMABLE CALCULATORS TEXAS INSTUREMENTS.
CANDYMANGANDY
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