HP 48gII - Manual (Page 50)

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Press the !!@@OK#@ soft menu key return to the calculator display. The
number now is shown as:
Because this number has three figures in the integer part, it is shown with
four significative figures and a zero power of ten, while using the
Engineering format. For example, the number 0.00256, will be shown as:
• Decimal comma vs. decimal point
Decimal points in floating-point numbers can be replaced by commas, if
the user is more familiar with such notation. To replace decimal points for
commas, change the FM option in the CALCULATOR MODES input form
to commas, as follows (Notice that we have changed the Number Format
to Std):
• Press the H button. Next, use the down arrow key, ˜, once, and the
right arrow key, ™, highlighting the option __FM,. To select commas,
press the @ @CHK@@ soft menu key (i.e., the B key). The input form will
look as follows:
• Press the !!@@OK#@ soft menu key return to the calculator display. The
number 123.456789012, entered earlier, now is shown as: