Casio fx-180P - Programmed Calculations; Storing and Executing Programs

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7/PROGRAMMED
CALCULATIONS
*
This
calculator
has
a
program
memory
of
38
steps.
Up
to
two
programmed
proce
dures
of
calculation
may
be stored
in the
memory,
*To
store
a
program
(mathematical
procedure)
in
the
calculator,
execute
ordinary
tie.
manua!)
calculation
in
the
LRN
mode
[press
©)
only
once.
*Now
the
calculator
has
memorized
the
program.
Input
data
and
press
the
key,
and
the
calculator
executes
the
program
with
the
data.
This
is
very
convenient
for
repeating
calculations
with
varying
sets
of data.
@ How to store and execute programs
Example 1:
Calculate
the
surface
areas
(S)
of
regular
octahedrons
whose
ridges
are
respectively
10,
7and
15¢m
long.
Ridge length (a)
10cm
;
15
@The foliowing sequence of key operations
realizes
a
mathematical
procedure
of
the
above formula.
283408 eee; s
Value of a (data)
Surface area
(346.41) cm?
(169.74)
(779.42)
Formula: S= 2/3 a?
* Values enclosed with parentheses
are to be obtained.
@
Operate
the
above
sequence
in
the
LRN
mode
(
},
Note
that
&
must
be
pressed
prior
to
data
entry
(the
value
of
a in
this
case}.
_
OPERATION
READOUT
(Select
LRN
mode)
|
_0,_see|
|
LAN
lit,
Pt
P2
blinking,
(Designate
program
No.)
ae
program
number,
P1
LAN
2
af
2
|
rr
3
©
|
1.732080808
+,
The
mathematical
procedure
Q
3.464101615
&
is
stored
in
P1.
ee
|
00.
8
|
346.4701615_»
|
}Sfora=10
Execution
af
the
program
stored
(Select RUN mode} fend) G)
{Designate program No.)
(LRN disappears)
346.4101615
3.464101615 aan
7
|
169.7409791
Sfora=7
©3159
|
779.4228634
Sfora=15
Example
2
; ;
Calculate
the
length,
of
the
arc
and
the
length,
@
of
the
chord
of
a
sector
with
radius
and
radii
making
an
angle
of
4°.
Radius
tr)
|
Angte
of
radii
(@)]
Arc
length
(é)|
Chord
lenath
(a)
10cm
60°
(10.47)
cm
(10
Jem
Fa
12
A234
(
8.91)
(
8.71)
15
36”
(
9.42}
(9.27)
*
The
values
enclosed
with
parentheses
are
to
be
obtained.
nee |
TET |
_ o
a ae
|
OPERATION
READ-OUT
(Select
LAN
mode}
~~
SG
:
(Designate
[program
No.)
GJ
@d
oo)
G10
r—>
To
K1
register
|
Ka)
(EH)
6O
6
~
To
K2
register
aoPe
1208
yw
HLT
for
displaying
result
(2)
pa@aOoe
ae
Kise
no?
(Eau
B)
GH
ie)
EA)
sins
x.K1
i
eI
[Oo
Result
{a)
Execution
of
the
program
stored,
(Select
RUN
mode)
MG)
[WO
7
(Designate
program
No.)
@)
|
(inoue)
4263346388
|
g.915141819__
ntly}
DEG
8.711524731
(Subsequ}
CEG
9424777961 os
9,270509832
(LRN disappears)
Result (2)
Result (a)
FH) 1S 368
(Subsequently) ’
Result (é)
Result la)