How to calculate base 12 aka duodecimal numbers.
Lists of senior citizen discounts and deals for those over 50, 55, 60, and 65. Plus money-saving advice.
Here is a compilation of all known methods to get rid of gophers. If you know of one that is not here, please add it.
Algebra lessons, rules, and examples for beginners.
Ternary aka Trinary aka Base 3 numerical system lesson and examples.
If you have an older car and a limited budget, this article is for you. How to pass the DMV emissions smog test, organized in ascending order of cost. I have also included many important maintenance tips.