HP 48g Graphing Calculator - Manual (Page 263)

The RULES Menu—Building and Moving Parentheses
Key Description
Parenthesize-neighbors. Parenthesizes the nearest
neighbors of + or *. Has no effect if the specified
function is the first (or only) function in the
expression, because these parentheses are already
present, but hidden.
R+6+C+D ^ R+(B+C>+D
1
4
..
Expand-subexpression-left. Expands the subexpression
associated with the specified function to include the
next term to the left. Note that a matched pair of
parentheses may disappear.
Fi+B + C + D > + E —^ R + < B + C+D) + E
Expand-subexpression-right. Expands the
subexpression associated with the specified function to
include the next term to the right.
Fl + < B + C) e D+E fl + < B+C -i- D) + E
20
The RULES Menu—Commuting, Associating, and
Distributing
Key Description
Commute. Commutes the arguments of the specified
function.
fi+EJ B+fl
i h v ( h > * b ^ B.--H
4
. Pj Associate- left
fl+ : B+c ) Fi+E T- C
H* :
b .-- c ) fl*B ■ ■ ■ ■ ■ c
H"'": b * c > fl-"B c
Associate- right.
< Fi H-i- < B+f
(fl Fi * < B.-t
< Fi R-- < B*f
i:“i .J:.
• * ■■
Distribute-prefix-function.
.(Fi+B;' ^ -H-B
iHvi:R.--B) ^ iHVtflCi-B
IfKRiB) ^ RE*irii: Fi) *F;E
Calculus and Symbolic Manipulation 20-23