1. Basic authoring, solving and reviewing

Organize and navigate ↓ and → 1 Make a polygonal base layer 2 Add a triangular contact at the default voltage zero 3 Add a circular contact at voltage one 4 Basic solving 5 Fields and errors on an internal polygon 6 Fields and errors on an outer boundary 7 Fields and errors on a circular contact 8 Fields and errors on a continuity cut 9 Saving the layout and state

2. State restoration and float additions

1 Restoring a solved layout and computing voltage contours 2 Adding a rectangular contact and setting float conditions 3 Converting a circular contact to a float

3. Contouring

1 Bar contact and voltage-flowLine grid 2 Multi-valued flow lines 3 Retaining previous settings

4. Working with layouts given in the dat format

1 Open and solve circon.dat 2 Open and solve test.dat 3 Save layout(resp. MRU) in ET(resp. properties)format 4 Restore from MRU list

5. Base layer enclosing contact

1 Enclosing a base layer with a contact 2 Trivial separation of coincident vertices 3 Non trivial separation of coincident vertices

6. Trimming a base layer

1 A backdrop layout 2 Adding a strip at right angles 3 A trim curve and targeted value 4 Adding a general strip(resp. cut) 5 Removing a cut at oblique angles 6 Targeting a cut value of 3 7 Targeting a cut of zero width

7. Trimming(resp. cutting) with user-defined continuity cuts

1 Trimming with default cuts 2 Prescribing cuts prior to trimming 3 Trimming with prescribed cuts

8. Attaching a contact to

1 an interior point of a skew segment 2 an end of a skew segment

9. Range of layouts

1 A single rectangular subregion 2 A pair of rectangular subregions 3 A pair of non rectangular subregions 4 Layout solved by 14 rectangular subregions 5 Contouring the entire region of flow 6 Contouring a magnified piece 7 Saving contour settings to the layout file

10. Resolving reentrant vertices

1 Default decomposition 2 All user-defined decomposition 3 Default decomposition 4 Partially user-defined decomposition 5 Automatic completion 6 User-defined cuts are maintained in a serialization

11. Morphing into elliptic segments

1 Straight segment to an elliptic arc 2 Change a circle into an ellipse 3 Solving, contouring and serializing 4 Restarting with state restoring and solution monitoring 5 Modifying, solving and contouring

12. Internal line contacts and holes

1 Changing a circular(resp. elliptic) hole to an ellipse(resp. crack) 2 Changing a circular(resp. elliptic) contact to an ellipse(resp. line) 3 Responses on the crack edge edges 4 Voltage-flowLine grid

13. Rounding to remove singular base layer currents

1 Infinite current density at a tabs reentrant corners 2 Select and round the lower reentrant corner 3 Select and round the upper reentrant corner 4 Confirm that the current density is finite 5 Voltage-flowLine-currentDensity 6 Restoration following a serialization

15. Rounding a contact with reentrant angles in the flow

1 Open and solve the centrally distributed layout 2 Singularities due to the abrupt changes in geometry 3 Round and solve the reentrant corners of the flow region 4 Non-singular current at the rounding start(resp. end) 5 Serialize, restore and contour