Home » Archimedes archive » Archimedes World » AW-1991-10.adf » October91 » !AWOct91/Goodies/FiveAlive/TEXT

!AWOct91/Goodies/FiveAlive/TEXT

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Archimedes archive » Archimedes World » AW-1991-10.adf » October91
Filename: !AWOct91/Goodies/FiveAlive/TEXT
Read OK:
File size: 1096 bytes
Load address: 0000
Exec address: 0000
File contents
The Archimedes and A3000 machines have recently been selling 
very well into secondary schools and are - for many - now clearly 
seen as the natural successor to the BBC micro. Hence, the 
release of Minerva's Timetabler program (also available for IBM 
PC compatibles) is a welcome development to help schools cope 
with one of their major administrative headaches.
//For those who have never attempted to construct a timetable, 
the complexities involved may not be immediately obvious. 
Consider the following aspects of the problem: (1) You have a 
limited number of teaching rooms, some of which are suitable only 
for certain subjects, all of which are subject to a class size 
limit and none of which may be scheduled to hold more than one 
class at the same time, (2) You have a given number of teachers 
who are limited to teaching certain subjects and who cannot teach 
two classes simultaneously, (3) You have lots of children divided 
into different sets for different subjects, all of whom need to 
be taught each of their subjects in a suitable room by a suitable 
teacher with no two classes scheduled at the same time.
//Constructing a timetable for a large secondary school in order 
to meet all of the above constraints is a nightmarish proposition 
which traditionally ties up large amounts of time of senior 
staff. Even when such a timetable has been constructed, what if 
something goes wrong? A teacher is off sick and has to have 
classes covered by colleagues. Who is free at the required times? 
The roof collapses on the chemistry lab and all classes scheduled 
here have to be located elsewhere. A late decision is taken to 
run an extra modern language course after the main timetable has 
been written. And so on. Then there is the access and reporting 
problem. Who exactly is where and when? Wouldn't it be nice to 
have the time table printed for each member of staff, for each 
pupil, for each room and so on?
//If ever there was a job for a computer to help with, this is 
the one. Minerva's package appears very expensive by Arc 
standards at �xxx but one must bear in mind that (a) the program 
very complex to write, (b) that savings in valuable staff time 
may more than offset the cost and (c) that existing PC packages 
are typically even more expensive.
<XHD>Running Timetabler
<TXT>The Timetabler package consists of a well produced, ring 
bound manual of some 80 pages, and a single, unprotected disc 
which you are invited to backup before use. No instructions are 
given for transfer to hard disc and I when I first copied it on 
to mine the program crashed on loading. I discovered, however, 
that it would run if placed fairly high in the ADFS directory 
tree. The problem appears to be that the PASCAL program stores 
the directory path in a string variable of rather limited length.
//Timetabler is a correctly written RISC OS program that multi-
tasks in the desktop. Indeed, I wrote this review in a First Word 
Plus window with Timetabler loaded at the same time, so that I 
could alternate program tests and writing! This would not have 
been possible, however, on a one megabyte machine due to memory 
restrictions. The RISC OS design is somewhat unorthodox in that 
Timetabler does not install itself on the menu bar, but rather 
presents a non-standard menu in a window which must be kept open 
at all times while the program is loaded. Also on loading one is 
asked to enter the name of the "key" file by typing in its full 
ADFS path name. However, Timetabler keeps track of its own paths 
after this and saving of reports is supported by the standard 
RISC OS method of dragging a text icon to its target directory.
//This disc includes a quite large scale demonstration file with 
a corresponding substantial experimental section in the manual 
which helps you work through it. Timetabler is effectively a 
customised <I>relational<R> database, and the key file points to 
a number of separate but linked database files for staff, 
students, periods, rooms, courses and so on. The omnipresent 
Timetabler Manger Menu has four slots, each of which will produce 
a standard RISC OS menu via the mouse menu button. The slots are 
labelled Filing, Allocation, Reports and Miscellaneous.


00000000  54 68 65 20 41 72 63 68  69 6d 65 64 65 73 20 61  |The Archimedes a|
00000010  6e 64 20 41 33 30 30 30  20 6d 61 63 68 69 6e 65  |nd A3000 machine|
00000020  73 20 68 61 76 65 20 72  65 63 65 6e 74 6c 79 20  |s have recently |
00000030  62 65 65 6e 20 73 65 6c  6c 69 6e 67 20 0a 76 65  |been selling .ve|
00000040  72 79 20 77 65 6c 6c 20  69 6e 74 6f 20 73 65 63  |ry well into sec|
00000050  6f 6e 64 61 72 79 20 73  63 68 6f 6f 6c 73 20 61  |ondary schools a|
00000060  6e 64 20 61 72 65 20 2d  20 66 6f 72 20 6d 61 6e  |nd are - for man|
00000070  79 20 2d 20 6e 6f 77 20  63 6c 65 61 72 6c 79 20  |y - now clearly |
00000080  0a 73 65 65 6e 20 61 73  20 74 68 65 20 6e 61 74  |.seen as the nat|
00000090  75 72 61 6c 20 73 75 63  63 65 73 73 6f 72 20 74  |ural successor t|
000000a0  6f 20 74 68 65 20 42 42  43 20 6d 69 63 72 6f 2e  |o the BBC micro.|
000000b0  20 48 65 6e 63 65 2c 20  74 68 65 20 0a 72 65 6c  | Hence, the .rel|
000000c0  65 61 73 65 20 6f 66 20  4d 69 6e 65 72 76 61 27  |ease of Minerva'|
000000d0  73 20 54 69 6d 65 74 61  62 6c 65 72 20 70 72 6f  |s Timetabler pro|
000000e0  67 72 61 6d 20 28 61 6c  73 6f 20 61 76 61 69 6c  |gram (also avail|
000000f0  61 62 6c 65 20 66 6f 72  20 49 42 4d 20 0a 50 43  |able for IBM .PC|
00000100  20 63 6f 6d 70 61 74 69  62 6c 65 73 29 20 69 73  | compatibles) is|
00000110  20 61 20 77 65 6c 63 6f  6d 65 20 64 65 76 65 6c  | a welcome devel|
00000120  6f 70 6d 65 6e 74 20 74  6f 20 68 65 6c 70 20 73  |opment to help s|
00000130  63 68 6f 6f 6c 73 20 63  6f 70 65 20 0a 77 69 74  |chools cope .wit|
00000140  68 20 6f 6e 65 20 6f 66  20 74 68 65 69 72 20 6d  |h one of their m|
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00000160  69 76 65 20 68 65 61 64  61 63 68 65 73 2e 0a 2f  |ive headaches../|
00000170  2f 46 6f 72 20 74 68 6f  73 65 20 77 68 6f 20 68  |/For those who h|
00000180  61 76 65 20 6e 65 76 65  72 20 61 74 74 65 6d 70  |ave never attemp|
00000190  74 65 64 20 74 6f 20 63  6f 6e 73 74 72 75 63 74  |ted to construct|
000001a0  20 61 20 74 69 6d 65 74  61 62 6c 65 2c 20 0a 74  | a timetable, .t|
000001b0  68 65 20 63 6f 6d 70 6c  65 78 69 74 69 65 73 20  |he complexities |
000001c0  69 6e 76 6f 6c 76 65 64  20 6d 61 79 20 6e 6f 74  |involved may not|
000001d0  20 62 65 20 69 6d 6d 65  64 69 61 74 65 6c 79 20  | be immediately |
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00000210  70 72 6f 62 6c 65 6d 3a  20 28 31 29 20 59 6f 75  |problem: (1) You|
00000220  20 68 61 76 65 20 61 20  0a 6c 69 6d 69 74 65 64  | have a .limited|
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00000240  69 6e 67 20 72 6f 6f 6d  73 2c 20 73 6f 6d 65 20  |ing rooms, some |
00000250  6f 66 20 77 68 69 63 68  20 61 72 65 20 73 75 69  |of which are sui|
00000260  74 61 62 6c 65 20 6f 6e  6c 79 20 0a 66 6f 72 20  |table only .for |
00000270  63 65 72 74 61 69 6e 20  73 75 62 6a 65 63 74 73  |certain subjects|
00000280  2c 20 61 6c 6c 20 6f 66  20 77 68 69 63 68 20 61  |, all of which a|
00000290  72 65 20 73 75 62 6a 65  63 74 20 74 6f 20 61 20  |re subject to a |
000002a0  63 6c 61 73 73 20 73 69  7a 65 20 0a 6c 69 6d 69  |class size .limi|
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000002c0  69 63 68 20 6d 61 79 20  62 65 20 73 63 68 65 64  |ich may be sched|
000002d0  75 6c 65 64 20 74 6f 20  68 6f 6c 64 20 6d 6f 72  |uled to hold mor|
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000002f0  73 20 61 74 20 74 68 65  20 73 61 6d 65 20 74 69  |s at the same ti|
00000300  6d 65 2c 20 28 32 29 20  59 6f 75 20 68 61 76 65  |me, (2) You have|
00000310  20 61 20 67 69 76 65 6e  20 6e 75 6d 62 65 72 20  | a given number |
00000320  6f 66 20 74 65 61 63 68  65 72 73 20 0a 77 68 6f  |of teachers .who|
00000330  20 61 72 65 20 6c 69 6d  69 74 65 64 20 74 6f 20  | are limited to |
00000340  74 65 61 63 68 69 6e 67  20 63 65 72 74 61 69 6e  |teaching certain|
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00000360  6f 20 63 61 6e 6e 6f 74  20 74 65 61 63 68 20 0a  |o cannot teach .|
00000370  74 77 6f 20 63 6c 61 73  73 65 73 20 73 69 6d 75  |two classes simu|
00000380  6c 74 61 6e 65 6f 75 73  6c 79 2c 20 28 33 29 20  |ltaneously, (3) |
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000003a0  20 63 68 69 6c 64 72 65  6e 20 64 69 76 69 64 65  | children divide|
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000003c0  74 20 73 65 74 73 20 66  6f 72 20 64 69 66 66 65  |t sets for diffe|
000003d0  72 65 6e 74 20 73 75 62  6a 65 63 74 73 2c 20 61  |rent subjects, a|
000003e0  6c 6c 20 6f 66 20 77 68  6f 6d 20 6e 65 65 64 20  |ll of whom need |
000003f0  74 6f 20 0a 62 65 20 74  61 75 67 68 74 20 65 61  |to .be taught ea|
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00000410  65 63 74 73 20 69 6e 20  61 20 73 75 69 74 61 62  |ects in a suitab|
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00000460  74 68 65 20 73 61 6d 65  20 74 69 6d 65 2e 0a 2f  |the same time../|
00000470  2f 43 6f 6e 73 74 72 75  63 74 69 6e 67 20 61 20  |/Constructing a |
00000480  74 69 6d 65 74 61 62 6c  65 20 66 6f 72 20 61 20  |timetable for a |
00000490  6c 61 72 67 65 20 73 65  63 6f 6e 64 61 72 79 20  |large secondary |
000004a0  73 63 68 6f 6f 6c 20 69  6e 20 6f 72 64 65 72 20  |school in order |
000004b0  0a 74 6f 20 6d 65 65 74  20 61 6c 6c 20 6f 66 20  |.to meet all of |
000004c0  74 68 65 20 61 62 6f 76  65 20 63 6f 6e 73 74 72  |the above constr|
000004d0  61 69 6e 74 73 20 69 73  20 61 20 6e 69 67 68 74  |aints is a night|
000004e0  6d 61 72 69 73 68 20 70  72 6f 70 6f 73 69 74 69  |marish propositi|
000004f0  6f 6e 20 0a 77 68 69 63  68 20 74 72 61 64 69 74  |on .which tradit|
00000500  69 6f 6e 61 6c 6c 79 20  74 69 65 73 20 75 70 20  |ionally ties up |
00000510  6c 61 72 67 65 20 61 6d  6f 75 6e 74 73 20 6f 66  |large amounts of|
00000520  20 74 69 6d 65 20 6f 66  20 73 65 6e 69 6f 72 20  | time of senior |
00000530  0a 73 74 61 66 66 2e 20  45 76 65 6e 20 77 68 65  |.staff. Even whe|
00000540  6e 20 73 75 63 68 20 61  20 74 69 6d 65 74 61 62  |n such a timetab|
00000550  6c 65 20 68 61 73 20 62  65 65 6e 20 63 6f 6e 73  |le has been cons|
00000560  74 72 75 63 74 65 64 2c  20 77 68 61 74 20 69 66  |tructed, what if|
00000570  20 0a 73 6f 6d 65 74 68  69 6e 67 20 67 6f 65 73  | .something goes|
00000580  20 77 72 6f 6e 67 3f 20  41 20 74 65 61 63 68 65  | wrong? A teache|
00000590  72 20 69 73 20 6f 66 66  20 73 69 63 6b 20 61 6e  |r is off sick an|
000005a0  64 20 68 61 73 20 74 6f  20 68 61 76 65 20 0a 63  |d has to have .c|
000005b0  6c 61 73 73 65 73 20 63  6f 76 65 72 65 64 20 62  |lasses covered b|
000005c0  79 20 63 6f 6c 6c 65 61  67 75 65 73 2e 20 57 68  |y colleagues. Wh|
000005d0  6f 20 69 73 20 66 72 65  65 20 61 74 20 74 68 65  |o is free at the|
000005e0  20 72 65 71 75 69 72 65  64 20 74 69 6d 65 73 3f  | required times?|
000005f0  20 0a 54 68 65 20 72 6f  6f 66 20 63 6f 6c 6c 61  | .The roof colla|
00000600  70 73 65 73 20 6f 6e 20  74 68 65 20 63 68 65 6d  |pses on the chem|
00000610  69 73 74 72 79 20 6c 61  62 20 61 6e 64 20 61 6c  |istry lab and al|
00000620  6c 20 63 6c 61 73 73 65  73 20 73 63 68 65 64 75  |l classes schedu|
00000630  6c 65 64 20 0a 68 65 72  65 20 68 61 76 65 20 74  |led .here have t|
00000640  6f 20 62 65 20 6c 6f 63  61 74 65 64 20 65 6c 73  |o be located els|
00000650  65 77 68 65 72 65 2e 20  41 20 6c 61 74 65 20 64  |ewhere. A late d|
00000660  65 63 69 73 69 6f 6e 20  69 73 20 74 61 6b 65 6e  |ecision is taken|
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000006c0  74 65 6e 2e 20 41 6e 64  20 73 6f 20 6f 6e 2e 20  |ten. And so on. |
000006d0  54 68 65 6e 20 74 68 65  72 65 20 69 73 20 74 68  |Then there is th|
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000006f0  6f 72 74 69 6e 67 20 0a  70 72 6f 62 6c 65 6d 2e  |orting .problem.|
00000700  20 57 68 6f 20 65 78 61  63 74 6c 79 20 69 73 20  | Who exactly is |
00000710  77 68 65 72 65 20 61 6e  64 20 77 68 65 6e 3f 20  |where and when? |
00000720  57 6f 75 6c 64 6e 27 74  20 69 74 20 62 65 20 6e  |Wouldn't it be n|
00000730  69 63 65 20 74 6f 20 0a  68 61 76 65 20 74 68 65  |ice to .have the|
00000740  20 74 69 6d 65 20 74 61  62 6c 65 20 70 72 69 6e  | time table prin|
00000750  74 65 64 20 66 6f 72 20  65 61 63 68 20 6d 65 6d  |ted for each mem|
00000760  62 65 72 20 6f 66 20 73  74 61 66 66 2c 20 66 6f  |ber of staff, fo|
00000770  72 20 65 61 63 68 20 0a  70 75 70 69 6c 2c 20 66  |r each .pupil, f|
00000780  6f 72 20 65 61 63 68 20  72 6f 6f 6d 20 61 6e 64  |or each room and|
00000790  20 73 6f 20 6f 6e 3f 0a  2f 2f 49 66 20 65 76 65  | so on?.//If eve|
000007a0  72 20 74 68 65 72 65 20  77 61 73 20 61 20 6a 6f  |r there was a jo|
000007b0  62 20 66 6f 72 20 61 20  63 6f 6d 70 75 74 65 72  |b for a computer|
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000007d0  68 69 73 20 69 73 20 0a  74 68 65 20 6f 6e 65 2e  |his is .the one.|
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000007f0  67 65 20 61 70 70 65 61  72 73 20 76 65 72 79 20  |ge appears very |
00000800  65 78 70 65 6e 73 69 76  65 20 62 79 20 41 72 63  |expensive by Arc|
00000810  20 0a 73 74 61 6e 64 61  72 64 73 20 61 74 20 a3  | .standards at .|
00000820  78 78 78 20 62 75 74 20  6f 6e 65 20 6d 75 73 74  |xxx but one must|
00000830  20 62 65 61 72 20 69 6e  20 6d 69 6e 64 20 74 68  | bear in mind th|
00000840  61 74 20 28 61 29 20 74  68 65 20 70 72 6f 67 72  |at (a) the progr|
00000850  61 6d 20 0a 76 65 72 79  20 63 6f 6d 70 6c 65 78  |am .very complex|
00000860  20 74 6f 20 77 72 69 74  65 2c 20 28 62 29 20 74  | to write, (b) t|
00000870  68 61 74 20 73 61 76 69  6e 67 73 20 69 6e 20 76  |hat savings in v|
00000880  61 6c 75 61 62 6c 65 20  73 74 61 66 66 20 74 69  |aluable staff ti|
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000008c0  78 69 73 74 69 6e 67 20  50 43 20 70 61 63 6b 61  |xisting PC packa|
000008d0  67 65 73 20 0a 61 72 65  20 74 79 70 69 63 61 6c  |ges .are typical|
000008e0  6c 79 20 65 76 65 6e 20  6d 6f 72 65 20 65 78 70  |ly even more exp|
000008f0  65 6e 73 69 76 65 2e 0a  3c 58 48 44 3e 52 75 6e  |ensive..<XHD>Run|
00000900  6e 69 6e 67 20 54 69 6d  65 74 61 62 6c 65 72 0a  |ning Timetabler.|
00000910  3c 54 58 54 3e 54 68 65  20 54 69 6d 65 74 61 62  |<TXT>The Timetab|
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00000940  72 6f 64 75 63 65 64 2c  20 72 69 6e 67 20 0a 62  |roduced, ring .b|
00000950  6f 75 6e 64 20 6d 61 6e  75 61 6c 20 6f 66 20 73  |ound manual of s|
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00000990  69 63 68 20 79 6f 75 20  61 72 65 20 69 6e 76 69  |ich you are invi|
000009a0  74 65 64 20 74 6f 20 62  61 63 6b 75 70 20 62 65  |ted to backup be|
000009b0  66 6f 72 65 20 75 73 65  2e 20 4e 6f 20 69 6e 73  |fore use. No ins|
000009c0  74 72 75 63 74 69 6f 6e  73 20 61 72 65 20 0a 67  |tructions are .g|
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000009e0  72 20 74 6f 20 68 61 72  64 20 64 69 73 63 20 61  |r to hard disc a|
000009f0  6e 64 20 49 20 77 68 65  6e 20 49 20 66 69 72 73  |nd I when I firs|
00000a00  74 20 63 6f 70 69 65 64  20 69 74 20 6f 6e 20 0a  |t copied it on .|
00000a10  74 6f 20 6d 69 6e 65 20  74 68 65 20 70 72 6f 67  |to mine the prog|
00000a20  72 61 6d 20 63 72 61 73  68 65 64 20 6f 6e 20 6c  |ram crashed on l|
00000a30  6f 61 64 69 6e 67 2e 20  49 20 64 69 73 63 6f 76  |oading. I discov|
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00000a50  74 68 61 74 20 69 74 20  77 6f 75 6c 64 20 72 75  |that it would ru|
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00000a70  6c 79 20 68 69 67 68 20  69 6e 20 74 68 65 20 41  |ly high in the A|
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00000a90  72 65 65 2e 20 54 68 65  20 70 72 6f 62 6c 65 6d  |ree. The problem|
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00000ad0  68 65 20 64 69 72 65 63  74 6f 72 79 20 70 61 74  |he directory pat|
00000ae0  68 20 69 6e 20 61 20 73  74 72 69 6e 67 20 76 61  |h in a string va|
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00000b00  20 6c 69 6d 69 74 65 64  20 6c 65 6e 67 74 68 2e  | limited length.|
00000b10  0a 2f 2f 54 69 6d 65 74  61 62 6c 65 72 20 69 73  |.//Timetabler is|
00000b20  20 61 20 63 6f 72 72 65  63 74 6c 79 20 77 72 69  | a correctly wri|
00000b30  74 74 65 6e 20 52 49 53  43 20 4f 53 20 70 72 6f  |tten RISC OS pro|
00000b40  67 72 61 6d 20 74 68 61  74 20 6d 75 6c 74 69 2d  |gram that multi-|
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00000b60  73 6b 74 6f 70 2e 20 49  6e 64 65 65 64 2c 20 49  |sktop. Indeed, I|
00000b70  20 77 72 6f 74 65 20 74  68 69 73 20 72 65 76 69  | wrote this revi|
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00000b90  72 64 20 0a 50 6c 75 73  20 77 69 6e 64 6f 77 20  |rd .Plus window |
00000ba0  77 69 74 68 20 54 69 6d  65 74 61 62 6c 65 72 20  |with Timetabler |
00000bb0  6c 6f 61 64 65 64 20 61  74 20 74 68 65 20 73 61  |loaded at the sa|
00000bc0  6d 65 20 74 69 6d 65 2c  20 73 6f 20 74 68 61 74  |me time, so that|
00000bd0  20 49 20 0a 63 6f 75 6c  64 20 61 6c 74 65 72 6e  | I .could altern|
00000be0  61 74 65 20 70 72 6f 67  72 61 6d 20 74 65 73 74  |ate program test|
00000bf0  73 20 61 6e 64 20 77 72  69 74 69 6e 67 21 20 54  |s and writing! T|
00000c00  68 69 73 20 77 6f 75 6c  64 20 6e 6f 74 20 68 61  |his would not ha|
00000c10  76 65 20 0a 62 65 65 6e  20 70 6f 73 73 69 62 6c  |ve .been possibl|
00000c20  65 2c 20 68 6f 77 65 76  65 72 2c 20 6f 6e 20 61  |e, however, on a|
00000c30  20 6f 6e 65 20 6d 65 67  61 62 79 74 65 20 6d 61  | one megabyte ma|
00000c40  63 68 69 6e 65 20 64 75  65 20 74 6f 20 6d 65 6d  |chine due to mem|
00000c50  6f 72 79 20 0a 72 65 73  74 72 69 63 74 69 6f 6e  |ory .restriction|
00000c60  73 2e 20 54 68 65 20 52  49 53 43 20 4f 53 20 64  |s. The RISC OS d|
00000c70  65 73 69 67 6e 20 69 73  20 73 6f 6d 65 77 68 61  |esign is somewha|
00000c80  74 20 75 6e 6f 72 74 68  6f 64 6f 78 20 69 6e 20  |t unorthodox in |
00000c90  74 68 61 74 20 0a 54 69  6d 65 74 61 62 6c 65 72  |that .Timetabler|
00000ca0  20 64 6f 65 73 20 6e 6f  74 20 69 6e 73 74 61 6c  | does not instal|
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00001090  75 73 2e 0a 0a 0a                                 |us....|
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