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A selecting the sequence type, A sequence editor screen, A table range screen – Casio fx-5800P User Manual

Page 67: E-66, Inputting a formula on the sequence editor screen

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E-66

A Selecting the Sequence Type

To select this sequence type:

Perform this key operation:

a

n

Type

z – {TYPE} 1(

a

n

)

a

n

+1

Type

z – {TYPE} 2(

a

n

+1

)

A Sequence Editor Screen

Either of the sequence editor screens shown below appears immediately after you enter the
RECUR Mode and select the sequence type. Use this screen to input the expression that
defi nes the expression (general term or recursion formula).

a

n

Type

a

n

+1

Type

Inputting a Formula on the Sequence Editor Screen

Example 1: To input

a

n

+1

=

a

n

+

n

+ 1

z – {TYPE} 2(

a

n

+1

)

z2(

a

n

)

+z1(

n

)

+1

Example 2: To input

a

n

=

n

+ 5

z – {TYPE} 1(

a

n

)

z1(

n

)

+5

Note

To clear the screen during input, press

o.

A Table Range Screen

Pressing

E to register the formula you input on the sequence editor screen displays either

of the table range screens shown below.

a

n

Type Sequence

a

n

+1

Type Sequence

Use this screen to specify the start value (Start) and end value (End) of

n

for sequence

table creation.

Specifying the Initial Term, Start Value, and End Value

1. On the table range screen, use

c and f to move the highlighting to the setting you

want to change.

2. Input the values or expressions you want.

• To clear the screen during input, press

o.

• Pressing

J during input will discard everything you have input up to that point, and

restores the values that were previously input on the screen.