% 3/19/90%% slide experiments\message{(Don't forget to magnify right!)}\magnification\magstep1\global\overfullrule0pt\def\endpage{\vfill\eject}\nopagenumbers\vsize = 4.0 truein\hsize = 7.5 truein\hoffset = -0.2 truein\voffset = 1.0 truein%\input values.sty%% total number found%\def\totalfound{311 243}% total analysed so far%\def\totalnumber{310 716}\def\totalpositive{113 969}\def\totalnegative{196 747}\def\rationegpos{1.726}\def\totalodd{155 658}\def\totaleven{155 058}\def\rankzero{93 337}\def\rankzeropos{31 748}\def\rankzeroneg{61 589}\def\rankzeropct{30.04} \def\ranktwo{61 517}\def\ranktwopos{24 706}\def\ranktwoneg{36 811}\def\ranktwopct{19.80}\def\rankfour{804}\def\rankfourpos{377}\def\rankfourneg{427}\def\rankfourpct{0.26}\def\rankevenGtZeroPct{20.06}\def\rankone{143 192}\def\rankonepos{51 871}\def\rankoneneg{91 321}\def\rankonepct{46.08}\def\rankthree{11 861}\def\rankthreepos{5 267}\def\rankthreeneg{6 594}\def\rankthreepct{3.82}\def\rankfive{5}\def\rankfivepos{0}\def\rankfiveneg{5}\def\rankfivepct{}\def\averagepositive{1.04}\def\averagenegative{0.94}\def\averagerank{0.98}%% end of numerical definitions%\centerline{\bf RANK DISTRIBUTION}\medskip\centerline{\bf Elliptic Curves of Prime Conductor below $10^8$}\vskip 0.3in$$\vbox{\offinterlineskip\hrule%\halign{\vrule#&\strut\quad\bf#\hfil\quad&#\vrule$\,$\vrule&%\halign{\vrule#&\strut\quad\bf#\hfil&#\vrule$\,$\vrule&%&\quad\hfil\bf#\hfil\quad\vrule\cr%height2pt&\omit&&\omit&\omit&\omit&\omit&\omit&\crheight2pt&\omit&&&&&&&&&\cr&Rank && 0 & 1 & 2 & 3 & 4 & 5 & Total &\vbox{\hbox{Ave.}\vskip1pt\hbox{Rank}}\cr\noalign{\hrule}\noalign{\vskip 2pt}\noalign{\hrule}%height2pt&\omit&&\omit&\omit&\omit&\omit&\omit&\crheight2pt&\omit&&&&&&&&&\cr&$\Delta>0$&&\rankzeropos&\rankonepos&\ranktwopos&\rankthreepos% &\rankfourpos&\rankfivepos&\totalpositive&\averagepositive\cr&$\Delta<0$&&\rankzeroneg&\rankoneneg&\ranktwoneg&\rankthreeneg% &\rankfourneg&\rankfiveneg&\totalnegative&\averagenegative\crheight2pt&\omit&&&&&&&&&\cr%height2pt&\omit&&\omit&\omit&\omit&\omit&\omit&\cr\noalign{\hrule}%height2pt&\omit&&\omit&\omit&\omit&\omit&\omit&\crheight2pt&\omit&&&&&&&&&\cr&Total&&\rankzero&\rankone&\ranktwo&\rankthree% &\rankfour&\rankfive&\totalnumber&\averagerank\cr%&Percents&&\rankzeropct&\rankonepct&\ranktwopct&\rankthreepct%&\%&&\rankzeropct&\rankonepct&\ranktwopct&\rankthreepct% &\rankfourpct& \rankfivepct&&\cr%height2pt&\omit&&\omit&\omit&\omit&\omit&\omit&\cr}height2pt&\omit&&&&&&&&&\cr}\hrule}$$\vskip 0.5in\centerline{\bf The ratio of negative to positive discriminants is 1.726.}\message{(Don't forget to magnify right!)}\bye