      kizzkazz: Ahhh. There’s my error. I added circles instead of triangles. 6 years ago • Report 0  Jesss011195: FYI Delta implies difference or change. It can be as simple as - I'm looking at the clock now - it's 9:30pm (T1). I look at the clock again - it's 10pm (T2). So the time elapsed is 30 mins - ΔTΔT = T2-T1 However, the upside-down capital delta symbol del , also called "nabla" used to denote the gradient and other vector derivatives. Kizz  (Post deleted by Jesss011195 )  zen_andtheart: To me, this sort of thing is incomprehensible. Kudos to you, jesss for grokking it. Yet, think of it: likely, somewhere out there in this vast universe, are intelligences to whom this is so utterly, trivially obvious. We are probably so rudimentary; almost an embarrassment. Jesss011195: Zen, I learnt a longtime ago that there is always someone smarter even if they are an  some think I am an alien, but I just work hard zen_andtheart in reply to Jesss011195: My apologies for the tone of my previous comment; thanks for your gracious riposte. Please don't zap me with your ray-gun  kizzkazz: that's a whole another language to me. I have no problem admitting that I am mathematically challenged severely. Jesss011195 in reply to kizzkazz: That is the thing with math it is the most pure logical precise language kizzkazz in reply to Jesss011195: I will have to take your word for it ,well, maybe not your word because then I'll need an equation dictionary. |
