Casio Algebra FX 2.0 User Manual page 313

Example 1 To calculate the surface area (cm
octahedrons when the length of one side is 7, 10, and 15 cm
Store the calculation formula under the file name OCTA.
A
Procedure
1 m PRGM
2 3(NEW)OCTAw*
3 !J(PRGM)3(?)aav(A)6(g)6(g)3(:)*
c*!x(
)c/d*av(A)Md
!x(
ii
4 1(EXE) or w
hw(Value of A)
w
w
wbaw
w
w
wbfw
3
w*
* 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> Mdw
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.
S = 2 3 A 2 , V = –––– A
1
)d*av(A)x6(g)4(^)
S when A = 7
V when A = 7
S when A = 10
V when A = 10
S when A = 15
V when A = 15
)d*
)c/d*
19990401
) and volume (cm
2
2
3
3
2
* 3 Pressing w while the final result of a program
is on the display changes to the program list.
# You can also run a program while in the RUN
MAT Mode by inputting: Prog "<file name>" w.
# Pressing w while the final result of a program
executed using this method is on the display
re-executes the program.
# An error occurs if the program specified by Prog
"<file name>" cannot be found.
) of three regular
3
•