- Statement of the congruent number problem.
- Explain what ``enumerate means''.
- Explain how to enumerate all right triangles with integer side
lengths - Pythagorean triples: draw graph of circle; draw line;
find other point of intersection; write it as
with
in terms of
.
- SAGE tutorial:
- What is SAGE?
- SAGE website.
- SAGE notebook: everyone create a worksheet.
William Stein
2006-07-07