Casio CFX-9970G Algebraic Expressions - Manual (Page 4)

352
20-3 ALGBR Mode Commands
In the ALGBR Mode, results are calculated in accordance with commands and
expressions you input. This section describes each of the commands available in
the ALGBR Mode.
k k k k k Conventions Used in this Section
The following conventions are used in the command descriptions of this section.
Item Description
This item indicates a mathematical expression input by you.
The actual expression you should input depends on the type of
operation you are performing. One example of an expression
is: X+1.
This item indicates a variable input by you. The actual variable
you should input depends on the type of operation you are
performing. One example of a variable is: A.
[ ] Anything enclosed within square brackets is optional, which
means you can skip it if you want. Note the following:
expand ([)]
The above example means that the final closed parenthesis to
the right of does not need to be input for the
command to execute properly.
k k k k k Commands
uuuuu
Expansion —— (expn)
This command expands an expression.
Syntax: expand ([)]
Example To expand the expression (X + 2)2
1 (expn) (v+c)xw X2 + 4X + 4
uuuuu
Factorization —— (fctor)
This command factorizes an expression.
Syntax: factor ([)]