About The Ads

This website pays its bills with money from advertising.
The site is otherwise free to use. No subscriptions or charges.

Hiding Ads

But ads can sometimes be distracting, so you can hide them for 24 hours (yes they come back, but you can hide them again).

Handy for classroom demonstrations!

Click on the "Hide Ads" near the top right, and a small "cookie" gets automatically set so other pages on this site will know your choice. But not all pages have been upgraded with this feature, so let me know if there is a page you want included.

 

Seen An Ad You Don't Like?

Our ads come from Google, and there are filters in place, but sometimes a bad ad slips through.

So please let me know of any ad you don't think should be there. Give as many details as possible (name and web address of advertiser etc) so it can be identified and blocked.

Thank You!

Rod Pierce

 

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