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.
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.