satisfaction is realisation thru your own work

i think i did something great today.
its my last day as physics tutor and i wanted to begin switching off and let everything that had settled to a close remain as it is.
something still bugged me to tell me that i have stuff yet unwrapped up.
ok i admit then, its this particular question brought up for discussion in one of the classes. i mean they question everything you do, which is of cos naturally good. but sometimes when im up there entertaining soooo many students, its a brain freeze that will take you out and leave you in the cold. esp when the question comes with a graph. ok sorry, i shud haf eaten my words and not even bring up the idea of using the correct principle in getting the required function to plot the electric potential graph(pardon the jargons :) what sci is sci. doesnt change for life.) for a particular situation. of cos, there was sth innately wrong with the function because it doesnt tally with the situation we earlier discussed upon by the main method. of cos i just told them there's sth wrong with the equation, if i know i will get back to them..
in the staffroom, i finally got myself to agree to wrap things up. in about 10 mins of brief working and relooking at the question, looking at online applets(they are really interesting, esp this site that helped alot - click here. den after downloading this interesting graphmatica tool(as introduced and i still remember, from our fmaths lecture eons back) to plot the graph, since i had no graphic calculator around,

i finally got the correct stuff i was looking for. damn. that moment came, i was so pleased. of cos, with myself. :P haha. but it is damn shiok. i guess different people derive joys in different ways. i prefer to work hard and get to the breakthrough by trying and trying. never giving up. i hope it helps in the long run.