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Everything HP200LX: Knowledge, Products, Service 

Equations from Curtis CameronThe following Solver equations have not been seen in print before. Key them into the Editor in Solver and save them for future reference. Interpolate: (xx1)/(x1x2)=(yy1)/ (y1y2) ! finds (x,y) that is on a line between (x1,y1) and (x2,y2) ! Binomial Distribution: comb(n:x) *p1^x * (1p1)^(nx) = px ! prob that there will be exactly x occurrences in n tries, if the prob of one occurrence in one try is p1. With 10 coin flips, the prob that exactly three will be heads is 0.117 ! Great Circle: Distance=69.0466* ACOS(SIN (LT1) * SIN(LT2)+COS(LT1) * COS(LT2) * COS(LG1LG2)) ! finds the great circle distance in miles between two points on the earth. Must be in degrees mode. ! Horizon: d=sqrt(h/5280*(2*r+h/ 5280)) ! distance to the earth's horizon (in miles) for an observer h ft above surface, r should be 4000 miles. ! Curtis Cameron


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