Home » Archimedes archive » Acorn User » AU 1997-01 B.adf » Regulars » StarInfo/Allen/!Ignotum/Formulae/Formulae/Area

StarInfo/Allen/!Ignotum/Formulae/Formulae/Area

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 » Acorn User » AU 1997-01 B.adf » Regulars
Filename: StarInfo/Allen/!Ignotum/Formulae/Formulae/Area
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File contents
# Maths > Area and volume

# New entries should take the form of:
#     Formula
#     Note 1
#     Note 2
#     Note 3
#     Note 4
#     Note 5
#     Formula
#     Note 1
#     And so on...
# To fit snugly into the window, each line should be no longer
# than 42 characters.
# There is a limit of 25 formulas per topic.

# Any notes should be made here, at the beginning and should
# be preceeded by a hash (#).

area (rectangle)=ab
Where:
a and b are side lengths



area (circle)=PIr�
Where:
PI=3.141592654
r=radius


area (trapesium)=�h(a+b)
Where:
h=height
a and b are side lengths


volume (cuboid)=abc
Where:
a, b and c are side lengths



volume (sphere)=4PIr�/3
Where:
PI=3.141592654
r=radius


volume (prism)=xsa � l
Where:
xsa=cross sectional area
l=length


volume (cylinder)=PIr�l
Where:
PI=3.141592654
r=radius
l=length













































































































00000000  23 20 4d 61 74 68 73 20  3e 20 41 72 65 61 20 61  |# Maths > Area a|
00000010  6e 64 20 76 6f 6c 75 6d  65 0a 0a 23 20 4e 65 77  |nd volume..# New|
00000020  20 65 6e 74 72 69 65 73  20 73 68 6f 75 6c 64 20  | entries should |
00000030  74 61 6b 65 20 74 68 65  20 66 6f 72 6d 20 6f 66  |take the form of|
00000040  3a 0a 23 20 20 20 20 20  46 6f 72 6d 75 6c 61 0a  |:.#     Formula.|
00000050  23 20 20 20 20 20 4e 6f  74 65 20 31 0a 23 20 20  |#     Note 1.#  |
00000060  20 20 20 4e 6f 74 65 20  32 0a 23 20 20 20 20 20  |   Note 2.#     |
00000070  4e 6f 74 65 20 33 0a 23  20 20 20 20 20 4e 6f 74  |Note 3.#     Not|
00000080  65 20 34 0a 23 20 20 20  20 20 4e 6f 74 65 20 35  |e 4.#     Note 5|
00000090  0a 23 20 20 20 20 20 46  6f 72 6d 75 6c 61 0a 23  |.#     Formula.#|
000000a0  20 20 20 20 20 4e 6f 74  65 20 31 0a 23 20 20 20  |     Note 1.#   |
000000b0  20 20 41 6e 64 20 73 6f  20 6f 6e 2e 2e 2e 0a 23  |  And so on....#|
000000c0  20 54 6f 20 66 69 74 20  73 6e 75 67 6c 79 20 69  | To fit snugly i|
000000d0  6e 74 6f 20 74 68 65 20  77 69 6e 64 6f 77 2c 20  |nto the window, |
000000e0  65 61 63 68 20 6c 69 6e  65 20 73 68 6f 75 6c 64  |each line should|
000000f0  20 62 65 20 6e 6f 20 6c  6f 6e 67 65 72 0a 23 20  | be no longer.# |
00000100  74 68 61 6e 20 34 32 20  63 68 61 72 61 63 74 65  |than 42 characte|
00000110  72 73 2e 0a 23 20 54 68  65 72 65 20 69 73 20 61  |rs..# There is a|
00000120  20 6c 69 6d 69 74 20 6f  66 20 32 35 20 66 6f 72  | limit of 25 for|
00000130  6d 75 6c 61 73 20 70 65  72 20 74 6f 70 69 63 2e  |mulas per topic.|
00000140  0a 0a 23 20 41 6e 79 20  6e 6f 74 65 73 20 73 68  |..# Any notes sh|
00000150  6f 75 6c 64 20 62 65 20  6d 61 64 65 20 68 65 72  |ould be made her|
00000160  65 2c 20 61 74 20 74 68  65 20 62 65 67 69 6e 6e  |e, at the beginn|
00000170  69 6e 67 20 61 6e 64 20  73 68 6f 75 6c 64 0a 23  |ing and should.#|
00000180  20 62 65 20 70 72 65 63  65 65 64 65 64 20 62 79  | be preceeded by|
00000190  20 61 20 68 61 73 68 20  28 23 29 2e 0a 0a 61 72  | a hash (#)...ar|
000001a0  65 61 20 28 72 65 63 74  61 6e 67 6c 65 29 3d 61  |ea (rectangle)=a|
000001b0  62 0a 57 68 65 72 65 3a  0a 61 20 61 6e 64 20 62  |b.Where:.a and b|
000001c0  20 61 72 65 20 73 69 64  65 20 6c 65 6e 67 74 68  | are side length|
000001d0  73 0a 0a 0a 0a 61 72 65  61 20 28 63 69 72 63 6c  |s....area (circl|
000001e0  65 29 3d 50 49 72 b2 0a  57 68 65 72 65 3a 0a 50  |e)=PIr..Where:.P|
000001f0  49 3d 33 2e 31 34 31 35  39 32 36 35 34 0a 72 3d  |I=3.141592654.r=|
00000200  72 61 64 69 75 73 0a 0a  0a 61 72 65 61 20 28 74  |radius...area (t|
00000210  72 61 70 65 73 69 75 6d  29 3d bd 68 28 61 2b 62  |rapesium)=.h(a+b|
00000220  29 0a 57 68 65 72 65 3a  0a 68 3d 68 65 69 67 68  |).Where:.h=heigh|
00000230  74 0a 61 20 61 6e 64 20  62 20 61 72 65 20 73 69  |t.a and b are si|
00000240  64 65 20 6c 65 6e 67 74  68 73 0a 0a 0a 76 6f 6c  |de lengths...vol|
00000250  75 6d 65 20 28 63 75 62  6f 69 64 29 3d 61 62 63  |ume (cuboid)=abc|
00000260  0a 57 68 65 72 65 3a 0a  61 2c 20 62 20 61 6e 64  |.Where:.a, b and|
00000270  20 63 20 61 72 65 20 73  69 64 65 20 6c 65 6e 67  | c are side leng|
00000280  74 68 73 0a 0a 0a 0a 76  6f 6c 75 6d 65 20 28 73  |ths....volume (s|
00000290  70 68 65 72 65 29 3d 34  50 49 72 b3 2f 33 0a 57  |phere)=4PIr./3.W|
000002a0  68 65 72 65 3a 0a 50 49  3d 33 2e 31 34 31 35 39  |here:.PI=3.14159|
000002b0  32 36 35 34 0a 72 3d 72  61 64 69 75 73 0a 0a 0a  |2654.r=radius...|
000002c0  76 6f 6c 75 6d 65 20 28  70 72 69 73 6d 29 3d 78  |volume (prism)=x|
000002d0  73 61 20 d7 20 6c 0a 57  68 65 72 65 3a 0a 78 73  |sa . l.Where:.xs|
000002e0  61 3d 63 72 6f 73 73 20  73 65 63 74 69 6f 6e 61  |a=cross sectiona|
000002f0  6c 20 61 72 65 61 0a 6c  3d 6c 65 6e 67 74 68 0a  |l area.l=length.|
00000300  0a 0a 76 6f 6c 75 6d 65  20 28 63 79 6c 69 6e 64  |..volume (cylind|
00000310  65 72 29 3d 50 49 72 b2  6c 0a 57 68 65 72 65 3a  |er)=PIr.l.Where:|
00000320  0a 50 49 3d 33 2e 31 34  31 35 39 32 36 35 34 0a  |.PI=3.141592654.|
00000330  72 3d 72 61 64 69 75 73  0a 6c 3d 6c 65 6e 67 74  |r=radius.l=lengt|
00000340  68 0a 0a 0a 0a 0a 0a 0a  0a 0a 0a 0a 0a 0a 0a 0a  |h...............|
00000350  0a 0a 0a 0a 0a 0a 0a 0a  0a 0a 0a 0a 0a 0a 0a 0a  |................|
*
000003a0  0a 0a 0a 0a 0a 0a 0a 0a  0a 0a 0a 0a 0a 0a 0a     |...............|
000003af