Calculate 13 is a math game that will test your mental agility trying to match pieces to add 13 .
You'll have to accomplish it playing with billiard balls, dice, dominoes , Roman numerals ... or all at once !!!
Members only
You do not have permission to add the requested articles content. If you are a member we suggest you login using the form below as that may grant you permission. Otherwise you can return to the article list and try the links from there.