HP -22S Owner's Manual page 4

Features
The HP-22S's features reflect the needs and wishes we solicited from
customers:
• A 12-character, alphanumeric display that provides you with a va-
riety of information-messages, prompts, labels, and, of course,
numbers.
• Menus that greatly expand the number of functions available and
make them easy to find.
• A broad range of numeric functions, including coordinate, base,
and unit conversions.
• The
I
EVAL
I
and
I
SOLVE
I
functions, which allow you to compute the
value of any variable in an equation.
• A library of built-in equations, and an equation list that lets you
store your own equations.
• Statistical functions, including mean, standard deviation, weighted
mean, and linear regression and estimation.
• Twenty-six storage registers, and enough memory to store statistical
data and your own equations.
4 Welcome to the HP-22S