cooperq

it is actually not illegal at all to report on the locations of law enforcement. This is, in fact, protected speech.

Um guys, A5/3 is completely broken. According to Wikipedia: "In 2010, Dunkelman, Keller and Shamir published a new attack that allows an adversary to recover a full A5/3 key by related-key attack.[5] The time and space complexities of the attack are low enough that the authors carried out the attack in two hours on an Intel Core 2 Duo desktop computer even using the unoptimized reference KASUMI implementation. The authors note that this attack may not be applicable to the way A5/3 is used in 3G systems; their main purpose was to discredit 3GPP's assurances that their changes to MISTY wouldn't significantly impact the security of the algorithm."

Even if A5/3 weren't broken, there are still tower dumps and IMSI catchers, which are a whole lot easier to use than breaking encryption. Yes A5/3 is better than A5/1, but I call bullshit on this whole article.

The undo functionality is actually almost there, I think we just don't have an interface for it. The arrow keys thing should be easy to implement. I will add it to github, and of course accept a pull request! We definitely need to accept ranges for formulas or some up with some easy way to do that.

The project as a whole is definitely unfinished but we have been working on it for so long and lost some motivation. I wanted to just get it out there to at least re-motivate myself to work on it.

I swear this person was not coached in any way ... :)

The same way as you would in excel `=SUM(A1:A11)`

Interesting, it looks like it's based of ethercalc which is also a great project. We were trying to go in a different direction though and be a little bit more user friendly and also work on mobile.