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PERPETUAL CALENDAR
This program provides a perpetual calendar,
which is useful for trip or work planning. It is
capable of displaying the day of the week of a
particular day of a particular year, either in the
past or future. It can, of course, produce a
calendar for any past year.
By using a plotter, it is possible for the program
to print a calendar in any of three different
character sizes.
••Et:i/M•i•
When the program is started, it asks whether or not a plotter will be used. If you use a
plotter, press the Y key. If not, press the N key.
When you press the N key, the program immediately outputs a calendar for the specified
year/month on the display screen.
When you press the Y key, the program displays the prompt "CHAR. SIZE (0-2): -,"
asking the size of characters to be output on the plotter. The sizes of characters that
can be specified arc as follows:
0
25 mm x 20 mm (horizontal x vertical)
1
50 mm x 40 mm
2
75 mm x 60 mm
Input a number (0-2) and the year and month whose calendar is desired. The program
then outputs a 4-color calendar on the plotter and a monochrome calendar on the dis-
play screen.
Example of characterisizes and calendar output
Character size 'O'
W_"\o Tv U. Th Fr_S..,
•
't
•
..
•
1
J.
3 1 ~ 6 ] 8 3
1411 IJ
1:l 1:t '" 1~ : ,
17 HI 19 4-0 21
t::
::J
'l◄
~
2b
1.7 1'8
Z9
3e
Character size •1 •
13f]].
-'
Su
1'10
Tu We Th
Fr
Sa
------------------------------
*
t
* *
*
1
2
.
.
3
4
5
6
7
8
.9
...
10·
11 12
13 14
15 16
17 18
19 20
21 22 23
24 25 ·26
27
28
29 30.
31.
* *
* *
* *
31
a
a
•
t
t
t
'-------------...J
Character size ·2·
Su
Mb"·";·Tu.· We:''Th~;;F·r·.-:Sa
---------------------------------------------
* *
t
t
*~
1 ·2
3
4
5 · 6
_
?•,-:· ~:
9
10 1·r:,
i2'·",f3
··T4
,15
',·16
1 7 . 1 8
f
~3": '
:f 0 --~if:,;~2 2 _ .
}:f
·24 2s
26~<27\
isI:z9 .
.'J0
.... ··.-r ~.:.. . ;:._.-.
3 1
t
t · ·
,::;k_.;.
\*
' . :c
<' - *
.>
*
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