Casio fx-9860G Series User Manual page 393

Example 1 To calculate the surface area (cm
octahedrons when the length of one side is 7, 10, and 15 cm,
respectively
Store the calculation formula under the fi le name OCTA.
A A
Procedure
1 m PRGM
2 3(NEW)OCTAw*
3 !
(PRGM)4(?)
c*!x(
!x(
)c/d*av(A)
JJ
4 1(EXE) or w
hw(Value of A)
w
w
wbaw
w
w
wbfw
w* 3
1 Press 3(NEW) and the cursor changes form
*
to indicate alpha character input.
* 2 The following shows how the calculation of
the surface area and volume of a regular
octahedron would be calculated using a
manual calculation.
Surface Area S .... c*!x(
<value of A> xw
Volume V ............. !x(
<value of A>
8-1-2
Basic Programming Steps
The following are the formulas used for calculating surface area S
and volume V of a regular octahedron for which the length of one side
A is known.
2 2
S = 2 3 A S = 2 3 A , V = , V =
1
av(A)6( )5(:)*
)d*av(A)x6( )5( )
S when A = 7
V when A = 7
S when A = 10
V when A = 10
S when A = 15
V when A = 15
*
# You can also run a program while in the RUN
# Pressing w while the fi nal result of a program
)d*
# An error occurs if the program specifi ed by Prog
)c/d*
dw
20070201
2 ) and volume (cm
2 2
3 3
A A
–––– ––––
3 3
2
d
3 Pressing w while the fi nal result of a program
is on the display changes to the program list.
MAT mode by inputting: Prog "<fi le name>" w.
executed using this method is on the display
re-executes the program.
"<fi le name>" cannot be found.
3 ) of three regular
•