Texas Instruments TI-30XIIB Owners Manual - Page 30

atiii

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Example: How much is paid for a $5 item that has been discounted 2%? Enter Press Display 5 5. 2 C=L3 4.9 [Win =-1multiplies the number in the display by n%. Example: What is 2 5% of 157 Enter 16 2.5 Press LX1 E=J Display 15. 0.375 [+]n [%i D-7.1 divides the displayed number by n%. Example' 25 is 15% of what number? Enter 2S 15 Press [24i rzl• Display 25. 166 66667 Natural Logarithm and e' The natural logarithm key F!rail calculates the natural logarithm (base e) of the number sin the display x > 0. Example: In 1 2 = .18232156 Enter 1.2 Press [11 Display .18232156 atiii The natural antilogarithm (e to the x power) sequence to V Calculates the natural antiioganthm of the number in the display. This sequence raises the constants to the displayed power. Example: e"' = 45.150439 Enter 3.81 Press Display 45.150439 28

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Example:
How
much
is
paid
for
a
$5
item
that
has
been
discounted
2%?
Enter
5
2
Press
C=L3
Display
5.
4.9
[Win
=
-
1
multiplies
the
number
in
the
display
by
n%.
Example:
What
is
2
5%
of
157
Enter
16
2.5
Press
LX1
E=J
Display
15.
0.375
[+]n [%i
D-7
.
1
divides
the
displayed
number
by
n%.
Example'
25
is
15%
of
what
number?
Enter
Press
Display
2S
25.
15
[2
4
i
rzl•
166
66667
Natural
Logarithm
and
e'
The
natural
logarithm
key
F!
rail
calculates
the
natural
logarithm
(base
e)
of
the
number
sin
the
display
x
>
0.
Example:
In
1
2
=
.18232156
Enter
Press
Display
1.2
[1
1
.18232156
The
natural
antilogarithm
(e
to
the
x
power)
sequence
to
V
atiii
Calculates
the
natural
anti
ioganthm
of
the
number
in
the
display.
This
sequence
raises
the
constants
to
the
displayed
power.
Example:
e"'
=
45.150439
Enter
Press
Display
3.81
45.150439
28