Rounding A Number; Exchanging Periods And Commas In Numbers - HP 17BIIPLUS Owner's Manual

Rounding a Number

The @r function rounds the number in the calculator line to the
number of displayed decimal places. Subsequent calculations use the
rounded value.
Starting with two displayed decimal places:
Keys: Display:
.&-*-!"
5.787
D
+ "
.&-*-("
4 I
D
,
.&-*-"
D
+
"
2 I .&-,"
@S G499 52H7;F;E< ;FI"
(hold)
@r "
@S .&-,"
(hold)

Exchanging Periods and Commas in Numbers

To exchange the periods and commas used for the decimal point and
digit separators in a number:
1. Press to access the DSP (display) menu.
D
2. Specify the decimal point by pressing
F sets a period as the decimal point and comma as the digit
separator (U.S. mode). (For example, 1,000,000.00.) Pressing
G sets a comma as the decimal point and period as the digit
separator (non-U.S. mode). (For example, 1.000.000,00.)
.&-*-"
Description:
Four decimal places are
displayed.
All significant digits;
trailing zeros dropped.
Two decimal places are
displayed.
Temporarily shows full
precision.
Rounds the number to two
decimal places.
F or G . Pressing
1: Getting Started 35