Texas TI-86 用户手册
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
� Enter the mantissa (part of the number that precedes
the exponent). This value can be an expression.
D
19
F
2
E
� Paste
E
to the cursor location.
C
� If the exponent is negative, paste
L
to the cursor location.
Then enter a one-, two-, or three-digit exponent.
a
2
� 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.
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.
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.
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.
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