Product:
Take one of these:

• http://practice.agilistry.com/triangle/
• http://www.testinggeek.com/index.php/testometer/154-triangle-test-in-software-testing
• http://www.testalways.com/cgi-bin/triangle/TestTriangle.html

Mission:
The triangle program reads three numbers from a punch card and interprets them as the sides of a triangle. The program then states whether the triangle is scalene, equilateral, or isosceles.

References:

• Elisabeth Hendrickson's Triangle Test Sampler
• Eusebiu Blindu