HP -22S Owner's Manual page 140

Assistance, Batteries,
Memory, and Service
A
Obtaining Help in Operating the Calculator
We at Hewlett-Packard are committed to providing the owners of
HP calculators with ongoing support. You can obtain answers to your
questions about using the calculator from our Calculator Support
department.
We suggest that you read the next section, "Answers to Common
Questions," before contacting us. Past experience has shown that
many of our customers have similar questions about our products. If
you don't find an answer to your question, you can contact us using
the address or phone number listed on the inside back cover.
Answers to Common Questions
Q.
How can I determine if the calculator is operating properly?
A. Refer to page 148, which describes the diagnostic self-test.
Q.
How do I change the number of decimal places the HP-22S
displays?
A. The procedure is described in '"Display Mode and Format of Num-
bers'" on page 22.
Q.
How do I clear all or portions of memory?
A. @] clears the current contents of the display . •
1
CLEAR
I
displays the
CLEAR menu, which allows you to clear all of memory, or to selec-
tively clear variables, equations, or statistics registers.
140 A: Assistance, Batteries, Memory, and Service