HP 39g+ User Manual page 32

Algebraic
precedence
order of
evaluation
Largest and
smallest
numbers
Clearing
numbers
Using previous
results
1-22
Functions within an expression are evaluated in the
following order of precedence. Functions with the same
precedence are evaluated in order from left to right.
1. Expressions within parentheses. Nested parentheses
are evaluated from inner to outer.
2. Prefix functions, such as SIN and LOG.
3. Postfix functions, such as !
4. Power function, ^, NTHROOT.
5. Negation, multiplication, and division.
6. Addition and subtraction.
7. AND and NOT.
8. OR and XOR.
9. Left argument of | (where).
10.Equals, =.
The smallest number the hp 39g+ can represent is
–499
1 × 10 (1E–499). A smaller result is displayed as
zero. The largest number is 9.99999999999 × 10
(1E499). A greater result is displayed as this number.
•
clears the character under the cursor. When the
cursor is positioned after the last character,
deletes the character to the left of the cursor, that is, it
performs the same as a backspace key.
•
( ) clears the edit line.
CANCEL
•
clears all input and output in the
CLEAR
display, including the display history.
The HOME display (
input/output history. An unlimited (except by memory)
number of previous lines can be displayed by scrolling.
You can retrieve and reuse any of these values or
expressions.
Input
Last input
Edit line
) shows you four lines of
Output
Last output
Getting started
499