<s>
TPoint	B-Application
is	O
computer	O
software	O
that	O
implements	O
a	O
mathematical	O
model	O
of	O
conditions	O
leading	O
to	O
errors	O
in	O
telescope	O
pointing	O
and	O
tracking	O
.	O
</s>
<s>
For	O
example	O
,	O
TPoint	B-Application
can	O
analyze	O
and	O
compensate	O
for	O
systematic	O
errors	O
such	O
as	O
polar	O
misalignment	O
,	O
mechanical	O
and	O
optical	O
non-orthogonality	O
,	O
lack	O
of	O
roundness	O
in	O
telescope	O
mounting	O
drive	O
gears	O
,	O
as	O
well	O
as	O
for	O
flexure	O
of	O
the	O
mounting	O
caused	O
by	O
gravity	O
.	O
</s>
<s>
TPoint	B-Application
is	O
in	O
use	O
on	O
the	O
majority	O
of	O
professional	O
telescopes	O
worldwide	O
,	O
including	O
the	O
Anglo-Australian	O
Observatory	O
,	O
Keck	O
Observatory	O
,	O
Gemini	O
Observatory	O
,	O
and	O
many	O
others	O
.	O
</s>
<s>
It	O
has	O
significantly	O
improved	O
the	O
performance	O
and	O
efficiency	O
of	O
telescope	O
operation	O
and	O
has	O
had	O
an	O
especially	O
strong	O
impact	O
on	O
the	O
development	O
of	O
automated	B-Application
and	O
robotic	O
telescopes	O
.	O
</s>
<s>
TPoint	B-Application
is	O
also	O
widely	O
used	O
by	O
amateur	O
astronomers	O
.	O
</s>
<s>
Software	O
Bisque	O
distributes	O
TPoint	B-Application
for	O
Mac	O
OS	O
and	O
Windows	O
as	O
an	O
add-on	O
to	O
TheSkyX	O
Serious	O
Astronomer	O
Edition	O
and	O
TheSkyX	O
Professional	O
;	O
this	O
version	O
is	O
used	O
to	O
improve	O
the	O
pointing	O
on	O
amateur	O
telescopes	O
.	O
</s>
<s>
TPoint	B-Application
was	O
invented	O
and	O
developed	O
by	O
Patrick	O
Wallace	O
.	O
</s>
<s>
using	O
Interdata	B-Device
70	O
computers	O
.	O
</s>
<s>
as	O
various	O
UNIX	B-Application
platforms	O
.	O
</s>
<s>
A	O
TPoint	B-Application
add-on	O
is	O
available	O
for	O
TheSkyX	O
Serious	O
Astronomer	O
Edition	O
and	O
TheSkyX	O
Professional	O
Edition	O
from	O
Software	O
Bisque	O
,	O
and	O
it	O
runs	O
under	O
both	O
Macintosh	O
OS	O
and	O
Microsoft	O
Windows	O
.	O
</s>
