**TI86**  ÿFDISTÿýClLCDÖDisp "1 = LEFT PROB","2 = RIGHT PROB","3 = MIDDLE PROB"ÖInput TÖClLCDÖDisp "DEGREES OF NUM."ÖInput MÖDisp "DEGREES OF DEN."ÖInput NÖIf T==3ÖThenÖDisp "LOWER BOUND"ÖInput JÖDisp "UPPER BOUND"ÖInput KÖFcdf(J,K,M,N)BÖElseÖDisp "BOUND"ÖInput KÖFcdf(0,K,M,N)BÖEndÖDisp "GRAPH?"ÖInput ZÖIf Z==1ÖThenÖPlOffÖFnOffÖy1=Fpdf(x,M,N) Ö0xMinÖ0yMinÖIf M3ÖThenÖmax(K,4(M*N-2*N)/(M*N+2*M))xMaxÖy1((M*N-2*N)/(M*N+2*M))yMaxÖElseÖ3xMaxÖ2yMaxÖEndÖxMax/10xSclÖ.2ySclÖIf T==3ÖThenÖShade(0,y1,J,K)ÖElseÖIf T==1ÖThenÖShade(0,y1,0,K)ÖElseÖShade(0,y1,K,xMax)ÖEndÖEndÖEndÖClLCDÖIf T==3ÖThenÖDisp "PROBABILITY=",BÖElseÖIf T==1ÖThenÖDisp "LEFT TAIL PROB=",BÖOutpt(4,1,"(RIGHT TAIL)")ÖOutpt(5,1,1-B)ÖElseÖDisp "RIGHT TAIL PROB=",1-BÖOutpt(4,1,"(LEFT TAIL)")ÖOutpt(5,1,B)ÖEndÖEnd×