Volim se služiti ovom stranicom,a ima i zgodne proračune za dionice...Svakako preporučujem svima koji se bave bilo kakvim proračunima i izračunima i ne samo njima...
Dodatak..INSIDE DAYS..ne mogu ovdje postati video jer ima previše MBa,ali evo ukratko u pdfu o čemu se radi...Ima smisla.

declare lower;
def highh=High-High[1];
def loww=Low-Low[1];
def range=high-low;
def rangejucer=high[1]-low[1];
def razlikarange=rangejucer/range;
plot inside = if (highh< 0 and loww > 0) and razlikarange >= 2 then close else 0;
inside.SetPaintingStrategy(PaintingStrategy.HISTOGRAM);

declare lower;
def highh=High-High[1];
def loww=Low-Low[1];
def range=(high-low);
def rangejucer=(high[1]-low[1]);
def razlikarange=rangejucer/range;
def profittargetlong=rangejucer+high;
def profittargetshort=low-rangejucer;
def stoplosslong=low-0.1;
def stoplossshort=high+0.1;
plot targetlong=if (highh< 0 and loww > 0) and razlikarange >= 2 then profittargetlong else 0;
plot targetshort=if (highh< 0 and loww > 0) and razlikarange >= 2 then profittargetshort else 0;
plot stoplong=if (highh< 0 and loww > 0) and razlikarange >= 2 then stoplosslong else 0;
plot stopshort=if (highh< 0 and loww > 0) and razlikarange >= 2 then stoplossshort else 0;

http://www97.wolframalpha.com/input/?i=IBM+Apple

http://www.wolfram.com/products/player/