.ie n \{\
.	pl 2000000000u
.\}
.el \{\
.	pl 29.7c
.	ll 20c
.	po 0.5c
.\}
.TS
center,box;
c s s
c s s
c c c
l r r.
Production of Audio Equipment
(units: 1000 sets)
_
Product	1984	1985
_
General radio	8,895	8,770
Clock radio	5,467	6,500
Radio/cassette	29,734	27,523
Tape deck	11,788	14,300
Car radio	9,450	10,398
Car stereo	15,670	17,456
.TE
.TS
center,box,tab(@);
c s
c c
c l.
Output Devices
.sp .5
Port@Device
.sp .5
1@User console
2@Monochromatic graphics terminal
3, 4, 5@Color graphics terminal
.TE
.so tv.roff
.so vi.roff
(\n%)
.br
.TS
doublebox, center;
cb | cb
a | a.
font position	font
=
1	Times Roman
_
2	\fITimes Italic\fP
_
3	\fBTimes Bold\fP
_
4	\fHHelvetica\fP
_
5	\f(CWConstant-Width\fP
.TE
(\n%)
.br
.TS
cb cb cb cb
cb cb cb cb
a n n n.
		Unit
Item	Qnty.	Price	Cost
=
.sp .5p
Dt. Coke	2	1.39	2.78
Crest	1	1.99	1.99
Kiwi Pol.	1	0.79	0.79
Selzer	6	0.25	1.50
			_
		Subtotal	7.06
		6\|% Tax	0.42
			_
		Total	7.48
.sp 3p
			=
.TE
(\n%)
.br
.if t .bp
.EQ
delim $$
.EN
.TS
center,box	delim($$);
cb | cb
cfCW | a.
.sp 3p
item denotation	item
.sp 3p
=
.sp 3p
sum	$sum$
.sp 3p
_
.sp 3p
int	$int$
.sp 3p
_
.sp 3p
prod	$prod$
.sp 3p
_
.sp 3p
union	$union$
.sp 3p
_
.sp 3p
inter	$inter$
.sp 3p
_
.sp 3p
oppE	$oppE$
.sp 3p
.TE
.ce
\fBEuler's Identities\fR
.sp 3p
.TS
delim($$),center box;
c c
l l.
\fBexpression\fR	\fBidentity\fR
.sp 0.05i
.vs +3p
$sin~theta$	\
${e sup {i theta}~-~e sup {-i theta}} over 2i$
$cos~theta$	\
${e sup {i theta}~+~e sup {-i theta}} over 2$
$tan~theta$	\
${e sup {i theta}~-~e sup {-i theta}} over \
{i(e sup {i theta}~+~e sup{-i theta})}$
.vs -3p
.sp 0.05i
.TE
.so 1cell-allbox.roff
.so linienbsp.roff
.so supermarket.roff
.so no-unicode.roff
.so ab1.roff
.so ab2.roff
.so mid-sq.roff
.if t .bp
.so expand.nr
.so n.roff
.so short-v.roff
.if n \{\
.	br
.	pl 0
.\}
