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Ti36eng1.doc TI-36X II Manual Linda Bower Revised:
01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 13 of
48
Pi
5
enters the value of
p
. It is stored internally to 13
digits (
3.141592653590
) and displayed to 10 digits
(
3.141592654
).
When multiplying
p
by a number, you do not need to
press
<
; multiplication is implicit.
³
Examples
Find the circumference and the area of a circle having a
radius of 5 centimeters. Find the surface area of a
sphere having a radius of 5 centimeters. (Remember:
circumference=2
p
r; area =
p
r
2
; surface area=(4
p
)r
2
.)
Use the
Fix
function to display results rounded to the
nearest whole number.
%t"V
2
5<
5
V
2
p
è
5
ß
31.
#'"""PV
p
è
5
2
ß
79.
#%[
4
V
4
p
è
5
2
ß
314.
The circumference of the circle is 31 centimeters, and
the area is 79 square centimeters. The surface area of
the sphere is 314 square centimeters.