.\"  print with seqn demo |sroff -ms
.rm CM
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MATH SYMBOLS
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l1 l1 l1 l1 l1 l1 l1 l1 l1 l.
@ >= @	>=	@ <= @	<=	@ == @	==	@ != @	!=	@ +- @	+-
@ -+ @	-+	@ -> @	->	@ <- @	<-	@ << @	<<	@ >> @	>>
@ >< @	><	@ <> @	<>	@ =~ @	=~	@ !< @	!<	@ !> @	!>
@ inf @	inf	@ infinity @	infinity	@ partial @	partial	@ half @	half	@ prime @	prime
@ approx @	approx	@ propor @	propor	@ nothing @	nothing	@ cdot @	cdot	@ times @	times
@ divide @	divide	@ del @	del	@ grad @	grad	@ laplace @	laplace	@ box @	box
@ ... @	...	@ ,..., @	,...,	@ sum @	sum	@ int @	int	@ prod @	prod
@ union @	union	@ inter @	inter	@ subset @	subset	@ supset @	supset	@ member @	member
@ empty @	empty	@ ang @	ang	@ lang @	lang	@ rang @	rang	@ perp @	perp
@ scriptl @	scriptl	@ norm @	norm	@ uarrow @	uarrow	@ larrow @	larrow	@ rarrow @	rarrow
@ darrow @	darrow	@ dagger @	dagger	@ ciplus @	ciplus	@ citimes @	citimes	@ sub0 @	sub0
@ sub1 @	sub1	@ sub2 @	sub2	@ sub3 @	sub3	@ sub4 @	sub4	@ sub5 @	sub5
@ sub6 @	sub6	@ sub7 @	sub7	@ sub8 @	sub8	@ sub9 @	sub9	@ sup0 @	sup0
@ sup1 @	sup1	@ sup2 @	sup2	@ sup3 @	sup3	@ sup4 @	sup4	@ sup5 @	sup5
@ sup6 @	sup6	@ sup7 @	sup7	@ sup8 @	sup8	@ sup9 @	sup9	@ cidot @	cidot
@ =wig @	=wig	@ -wig @	-wig	@ =dot @	=dot	@ -dot @	-dot	@ =hat @	=hat
@ bstar @	bstar	@ orsign @	orsign	@ andsign @	andsign	@ oppA @	oppA	@ oppE @	oppE
@ exist @	exist	@ nexist @	nexist	@ abs @	abs	@ nie @	nie
@ angst @	angst	@ star @	star	@ hbar @	hbar	@ <-> @	<->	@ <=> @	<=>
@ 3dot @	3dot	@ thf @	thf	@ quarter @	quarter	@ 3quarter @	3quarter	@ degree @	degree
@ bullet @	bullet	@ circle @	circle	@ blot @	blot	@ vbar @	vbar	@ lfl @	lfl
@ rfl @	rfl	@ lcl @	lcl	@ rcl @	rcl	@ curse @	curse	@ lbs @	lbs
.TE
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EXAMPLES OF EQUATIONS
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INTEGRALS
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define lower  ' sub down 15 back 10  '
define upper    ' sup up 15  '
define blower ' sub down 40 back 10  '
define bupper   ' sup up   40  '
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int lower 0 upper inf ` f(x) ` dx ````` bint blower 0 bupper a ` f(x,y) ` dx
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FRACTIONS
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1 over 2 `````` 1 over { sin (x) } ````` 1 over { 1 `+` { 1 over { 1`+`x } } }
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SQUARE ROOTS
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sqrt { 1 `+` x sup 2 } ````` sqrt {  1 over { 1  `+` x } }
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.bp
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PILES, BRACKETS, BRACES, BARS AND PARENTHESES
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left [ pile { a above b above c } right }
left [ pile { a above b above c above d }  right }
left | pile { a above b above c } right )
left | pile { a above b above c above d } right )
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MATRIX
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left [ matrix { ccol { x above ab } ccol { abc above 1 over x } }  right ]
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SUMS, INTERSECTIONS AND UNIONS
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sum from i=1 to inf 1 over i  ` = ` inf `````
A ` inter ` B ````` A ` union ` B
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DIACRITICAL MARKS
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dot, dotdot, hat, tilde, vec, dyad, bar and under
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f dot ` f dotdot ` f hat ` f tilde ` f vec ` f dyad ` f bar ` f under
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