Go to this site: http://userscripts.org/scripts/show/18945 and click on "install this script", gray button in the upper right hand corner. If you still have questions or problems your best bet would be to use their forum.
1 Answers · Computers & Internet · 23/02/2008
Once you calculate the sum, you added the "$" to the number. When you trigger the next function you try to multiply 1 * $ and that results as NaN, not a number. If you don't add the $ then everything should work fine. - Dominic
1 Answers · Computers & Internet · 10/12/2011