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Using scientific or engineering notation, Entering complex numbers, Entering other characters – Texas Instruments TI-86 User Manual

Page 32

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20

Chapter 1: Operating the TI

-86

01OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 20 of 22

01OPER.DOC TI-86, Chap 1, US English Bob Fedorisko Revised: 02/13/01 2:18 PM Printed: 02/13/01 2:59 PM Page 20 of 22

Using Scientific or Engineering Notation

ᕡ Enter the mantissa (part of the number that precedes

the exponent). This value can be an expression.

D

19

F

2

E

ᕢ Paste

E

to the cursor location.

C

ᕣ If the exponent is negative, paste

L to the cursor location.

Then enter a one-, two-, or three-digit exponent.

a

2

ᕤ Evaluate the expression.

b

When you include scientific- or engineering-notation numbers in an expression, the TI

-86

does not necessarily display answers in scientific or engineering notation. The mode
settings (page 34) and the size of the number determine the notation of displayed answers.

Entering Complex Numbers

On the TI

-86, the complex number a+bi is entered as

(

a

,

b

)

in rectangular complex-number form or as

(

r



q

)

in polar

complex-number form. For more information about
complex numbers, read Chapter 4.

Entering Other Characters

EXIT

x-VAR

MORE

DEL

2nd

ALPHA

x

QUIT

alpha

LINK

INS

MODE

In scientific notation only, one
digit precedes the decimal.

In engineering notation, one,
two, or three digits precede
the decimal and the power of
10 exponent is a multiple of 3.

This is the 2nd key

This is the ALPHA key