No, as another poster pointed out:

https://keisan.casio.jp/keisan/user_forum/

掲示板は2023年9月20日をもちまして廃止することになりました。 これまでご利用ありがとうございました。

I would say that it's unclear; that announcement appears to apply only to the Keisan Casio user forum.

A machine translation follows:

> The bulletin board will be abolished on September 20, 2023. > Thank you for using our service. > The bulletin board is a space where members can exchange information and opinions. Please respect each other's opinions and personalities, and post and reply with good sense.