Enteino' and edidng objects, Keying in numbers, To key in a simple number – HP 48g Graphing Calculator User Manual
Page 25: Keying in numbers -1, A simple number
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2
EnteinO' and Edidng Objects
The basic items of information
the
HP 48 uses are called
objects.
For
example, a real number, an equation, and a program are each an
object. An object occupies a single level on the stack, and can be
stored in a variable.
The HP 48 can store and manipulate many types of objects,
including
real and
complex numbers, binary integers,
arrays,
algebraic
expressions, programs, graphics, text strings, and lists. Many of the
HP 48’s operations are the same for ail types of objects, while others
only apply to particular types of objects.
Keying In Numbers
To key
in
a simple number:
1. Press the appropriate number and
Q
keys.
2. If the number is negative, press {*/-].
To correct a typing mistake:
■ Press
&
(the backspace key) to erase the mistake, then retype it
correctly.
To delete the entire number from the command line:
■ Press
(CANCEL j.
Entering and Editing Objects 2-1