Texas Instruments TI-36X Manuale Utente

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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
pr; area =pr 
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
è5
ß
31.
FIX
DEG
# ' " " " P V
p
è5
2
ß
79.
FIX
DEG
# % [ 4 V
4
p
è5
2
ß
314.
FIX
DEG
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.