I remember earlier versions of http://derbauer.de/

Awesome ... but if I'm so stupid to left my acutal phone then I deserve public Ludibrium :)

What about subtraction now?

Negative numbers are supported. But if you want a clean solution, implementing a SubtractionOperator is easy enough. Just implement the OperatorInterface.

That'd probably require a separate extension, but it's feasible.

I'm also very confused about going with meteor or derby (or angular maybe plus py/flask backend)? any advice?

Hackernews before the arrival of the business. 2600

what is the software stack you're using? thank you.

great work Federico! bravo!

Ignition Aborted. too bad

Ahh what happened?

no dubt:

techmeme.com/river www.quora.com/