HP 33S, User Manual

Page: 34 / 388

1–18
Getting Started
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
For example,
To calculate: Press: Display:
12 + 3 12
Ï
3
Ù

12 – 3 12
Ï
3
Ã

12
×
3 12
Ï
3
¸

12
3
12
Ï
3
)

Percent change from
8 to 5 8
Ï
5
º p

The order of entry is important only for non –commutative functions such as
Ã
,
¯
,
)
,
¹ b
,
º `
,
'
,
¹ x
,
¹ {
,
m
,
º
p
. If you type numbers in the wrong order, you can still get the correct
answer (without re–typing them) by pressing
w
to swap the order of the
numbers on the stack . Then press the intended function key. (This is explained in
detail in chapter 2 under "Exchanging the X– and Y–Registers in the Stack.")
Controlling the Display Format
Periods and Commas in Numbers
To exchange the periods and commas used for the decimal point (radix mark) and
digit separators in a number:
1. Press
Ý
to display the MODES menu.
2. Specify the decimal point (radix mark) by pressing {

} or {

}.
For example, the number one million looks like:
 if you press {  } or

if you press {

}.