About this Community
∏n ak := a1 +a2 +···+an, ak := a1 ·a2 ···an can post comments or announce information about upcoming Live Streams.
You can leave ∏n ak := a1 +a2 +···+an, ak := a1 ·a2 ···an messages and attach videos or images to each post or comment, even from your smart phones. Please enjoy!