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<H1 class=3DfirstHeading>Tutorial:ACIS Tutorials</H1>
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    width=3D20><A title=3D"Tutorial:ACIS Tutorials (Background)"=20
      =
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Bac=
kground)">Fundamentals</A>=20
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0.95em; PADDING-TOP: 0.5em; BORDER-BOTTOM: #a3b1bf 2px solid; =
BACKGROUND-COLOR: #e3e5e7"=20
    width=3D20><A title=3D"Tutorial:ACIS Tutorials (Creating =
Applications)"=20
      =
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Cre=
ating_Applications)">Creating&nbsp;Applications</A>=20
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href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Mod=
el_Topology)">Topology</A>=20
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BACKGROUND-COLOR: #e3e5e7"=20
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      =
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Mat=
h_Classes)">Math&nbsp;Classes</A>=20
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BACKGROUND-COLOR: #e3e5e7"=20
    width=3D20><A title=3D"Tutorial:ACIS Tutorials (ACIS Tolerances)"=20
      =
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(ACI=
S_Tolerances)">Tolerances</A>=20
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      =
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Opt=
ions)">Options</A>=20
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      =
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Exc=
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href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(His=
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BACKGROUND-COLOR: #e3e5e7"=20
    width=3D20><A title=3D"Tutorial:ACIS Tutorials (Attributes)"=20
      =
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Att=
ributes)">Attributes</A>=20
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Models)"=20
      =
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Imp=
orting_Non-ACIS_Models)">Importing&nbsp;Models</A>=20
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name=3DACIS_Tutorials_-_Welcome.21></A>
<H2><SPAN class=3Dmw-headline>ACIS Tutorials - <I>Welcome!</I> =
</SPAN></H2>
<P>These tutorials provide information and terminology you should know =
before=20
beginning to develop an ACIS-based application. </P>
<P><BR>&nbsp;<BR>&nbsp;<BR>&nbsp;<BR></P>
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style=3D"BORDER-RIGHT: #a3b1bf 2px solid; BORDER-TOP: #a3b1bf 2px solid; =
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    colSpan=3D2>
      <P>The <B>ACIS Tutorials</B> contain discussions and examples that =
will=20
      introduce you to ACIS concepts and terminology, and demonstrate =
how to=20
      successfully use ACIS. Each tutorial builds upon prior tutorials;=20
      therefore, we suggest that new users proceed through these =
tutorials=20
      sequentially. It is expected that new users will be familiar with=20
      programming in C++ and their development environment before =
beginning=20
      these tutorials. In addition it is expected that new users will =
have at=20
      least a basic understanding of topology and geometry.=20
</P></TD></TR></TBODY></TABLE>
<P><BR></P>
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#e3e5e7"><B>Continue:</B>=20
<B><A title=3D"Tutorial:ACIS Tutorials (Background)"=20
href=3D"http://doc.spatial.com/r18/index.php/Tutorial:ACIS_Tutorials_(Bac=
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