problems

Version imprimable
  • user warning: Table './jem/sessions' is marked as crashed and should be repaired query: SELECT COUNT(sid) AS count FROM sessions WHERE timestamp >= 1231502354 AND uid = 0 in /var/www/net.jem-thematic/site/includes/database.mysql.inc on line 174.
  • user warning: Table './jem/sessions' is marked as crashed and should be repaired query: SELECT DISTINCT u.uid, u.name, s.timestamp FROM users u INNER JOIN sessions s ON u.uid = s.uid WHERE s.timestamp >= 1231502354 AND s.uid > 0 ORDER BY s.timestamp DESC in /var/www/net.jem-thematic/site/includes/database.mysql.inc on line 174.

Achilles, Turtle, and the Geometric Series

Achilles_Podcast

This is a short video that discusses the paradox of Zeno. It turns out that this paradox is not a paradox but rather an easy way to show that a geometric series converges (if |q| < 1) and to find a formula for the sum. Suitable for high schools.

English version in YouTube:

Online Single Variable Calculus

64563_logo_final.GIF

The Online Single Variable Calculus is a full course at university level covering topics from Real Numbers, Functions, Differentiation, Integration, Series and Differential Equations. Each topic is organized in a module consisting of a Ten Minute Talk accompanied by Open Problems and Solved Problems. The material has been designed especially for online delivery.