Displaying fractions, Messages – HP 33s User Manual
Page 39
Getting
Started
1–23
Displaying Fractions
Press
{
to switch between Fraction–display mode and the current
decimal display mode.
Keys:
Display:
Description:
12
3
8
+_
Displays characters as you key them in.
)
Terminates digit entry; displays the
number in the current display format.
{
+
Displays the number as a fraction.
Now add
3
/
4
to the number in the X–register (12
3
/
8
):
Keys:
Display:
Description:
3
4
+_
Displays characters as you key them in.
+
Adds the numbers in the X– and
Y–registers; displays the result as a
fraction.
{
)
Switches to current decimal display
format.
Refer to chapter 5, "Fractions," for more information about using fractions.
Messages
The calculator responds to certain conditions or keystrokes by displaying a
message. The
¤
symbol comes on to call your attention to the message.
To clear a message, press
or
b
.
To clear a message and perform another function, press any other key.
If no message appears but
¤
does, you have pressed an inactive key (a key that
has no meaning in the current situation, such as
in Binary mode).
All displayed messages are explained in appendix F, "Messages".