Vectors/Matices no submenue?

The web2.0calc without Vectors/Matices?

select menue Vectors/Matices:

is not working:

None of the other sections works properly as far as I can tell!

You can do some vector/matrix calculations in Scientific mode though. For example:

Output:

.

Hi Alan,

that's great, thanks

Hi Alan and Heureka,

None are working for me either.

Do they normally work?

I didn't know we could do matrices on the calc like that. Thanks Alan :)

Hi Melody,

The other sections haven't worked properly for a long time. I check from time to time.