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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.

k k k k k Commands

u u u u u Expansion —— (expn)

This command expands an expression.

u u u u u Factorization —— (fctor)

This command factorizes an expression.

Item

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 (<expression>[)]

The above example means that the final closed parenthesis to

the right of <expression> does not need to be input for the

command to execute properly.

Syntax: expand (<expression>[)]

To expand the expression (X + 2) 2

Example

1(expn)(v+c)xw

Syntax: factor (<expression>[)]

Description

X 2 + 4X + 4

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