Texas Instruments TI-30XIIB Owners Manual - Page 27

SPECIAL, FUNCTIONS, Roots, and Powers

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V. SPECIAL FUNCTIONS y The special function keys described in this section are single-variable functions except for and' y which are two-variable functions. The single-variable functions operate only on the displayed value without interfering with calculations in progress. The twovariable functions may be isolated within a calculation by parenthesis or used with the calculator hierarchy. NOTE: The right-most digit is displayed during the short time the calculator is computing a result. Be sure the calculator has completed an operation before pressing the next key. Roots and Powers The square key En calculates the square of the number x in the display. Example• (4.235)' - 17.935225 Enter 4.235 Press Display 17.935225 The square root key [F] calculates the square root of the number x in the display. Example: VW26 = 2 5 Enter Press Display 6.25 L€J 25 Example: (V31.1152 - 7 + (3 2)9- - 2.2390782 Enter 3.1452 7 3.2 Press Urn t= 1+1 Display 1.7734712 5.2265288 10.24 5 0134712 2.2390782 25

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V.
SPECIAL
FUNCTIONS
The
special
function
keys
described
in
this
section
are
single
-variable
functions
except
for
y
and'
y
which
are
two
-variable
functions.
The
single
-variable
functions
operate
only
on
the
displayed
value
without
interfering
with
calculations
in
progress.
The
two
-
variable
functions
may
be
isolated
within
a
calculation
by
parenthesis
or
used
with
the
calculator
hierarchy.
NOTE:
The
right
-most
digit
is
displayed
during
the
short
time
the
calculator
is
computing
a
result.
Be
sure
the
calculator
has
completed
an
operation
before
pressing
the
next
key.
Roots
and Powers
The
square
key
En
calculates
the
square
of
the
number
x
in
the
display.
Example•
(4.235)'
-
17.935225
Enter
Press
Display
4.235
17.935225
The
square
root
key
[F]
calculates
the
square
root
of
the
number
x
in
the
display.
Example:
VW26
=
2
5
Enter
Press
Display
6.25
L€J
25
Example:
(V31.1152
—
7
+
(3
2)9-
-
2.2390782
Enter
3.1452
7
3.2
Press
Urn
t=
1+1
25
Display
1.7734712
5.2265288
10.24
5
0134712
2.2390782