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Chapter 1: Operating the TI-86
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.
Using Scientific or Engineering Notation
Enter the mantissa (part of the number that precedes
the exponent). This value can be an expression.
Paste
to the cursor location.
E
If the exponent is negative, paste
Then enter a one-, two-, or three-digit exponent.
Evaluate the expression.
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
in rectangular complex-number form or as
complex-number form. For more information about
complex numbers, read Chapter 4.
Entering Other Characters
This is the 2nd key
This is the ALPHA key
L
to the cursor location.
a
b
(
,
)
q
r
in polar
(
)
QUIT
MODE
2nd
EXIT
alpha
LINK
x
INS
ALPHA
x-VAR
D
19
F
E
2
C
a
2
b
MORE
DEL
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