{VERSION 5 0 "Linux" "5.0" } {USTYLETAB {PSTYLE "Heading 4" -1 20 1 {CSTYLE "" -1 -1 "Times" 1 10 0 0 0 1 1 1 2 2 2 2 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Ord ered List 1" -1 200 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 3 3 2 0 2 0 2 2 -1 1 }{PSTYLE "Left Justified Maple Output" -1 12 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Help" -1 10 1 {CSTYLE "" -1 -1 "Courier" 1 9 0 0 255 1 2 2 2 2 2 1 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Diagnostic" -1 9 1 {CSTYLE "" -1 -1 "Courier" 1 10 64 128 64 1 2 2 2 2 2 1 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 } {PSTYLE "Ordered List 3" -1 201 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 3 3 2 72 2 0 2 2 -1 1 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "Times" 1 18 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "R3 Font 2" -1 202 1 {CSTYLE "" -1 -1 "Courier" 1 14 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Heading 3" -1 5 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 1 1 2 2 2 2 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Fixed Wi dth" -1 17 1 {CSTYLE "" -1 -1 "Courier" 1 10 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }3 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Error" -1 8 1 {CSTYLE "" -1 -1 "Courier" 1 10 255 0 255 1 2 2 2 2 2 1 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Heading 1" -1 3 1 {CSTYLE "" -1 -1 "Times" 1 18 0 0 0 1 2 1 2 2 2 2 1 0 0 1 }1 1 0 0 8 4 2 0 2 0 2 2 -1 1 }{PSTYLE "Tit le" -1 18 1 {CSTYLE "" -1 -1 "Times" 1 18 0 0 0 1 2 1 1 2 2 2 1 0 0 1 }3 1 0 0 12 12 2 0 2 0 2 2 -1 1 }{PSTYLE "Ordered List 5" -1 203 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 3 3 2 144 2 0 2 2 -1 1 }{PSTYLE "Text Output" -1 2 1 {CSTYLE "" -1 -1 "Co urier" 1 10 0 0 255 1 2 2 2 2 2 1 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Bullet Item" -1 15 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 3 3 2 0 2 0 2 2 -1 1 }{PSTYLE "Author" -1 19 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }3 1 0 0 8 8 2 0 2 0 2 2 -1 1 }{PSTYLE "Heading 2" -1 4 1 {CSTYLE "" -1 -1 "Times" 1 14 0 0 0 1 2 1 2 2 2 2 1 0 0 1 }1 1 0 0 8 2 2 0 2 0 2 2 -1 1 }{PSTYLE "Maple Plot" -1 13 1 {CSTYLE "" -1 -1 "Times" 1 18 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }3 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "R3 Font 0" -1 204 1 {CSTYLE "" -1 -1 "Helvetica" 1 14 0 0 0 1 2 1 2 2 2 2 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Dash Item" -1 16 1 {CSTYLE " " -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 3 3 2 0 2 0 2 2 -1 1 }{PSTYLE "Ordered List 4" -1 205 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 3 3 2 108 2 0 2 2 -1 1 } {PSTYLE "Maple Output" -1 11 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }3 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "List Item" -1 14 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 3 3 2 0 2 0 2 2 -1 1 }{PSTYLE "Line Printed Output" -1 6 1 {CSTYLE "" -1 -1 "Courier" 1 10 0 0 255 1 2 2 2 2 2 1 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Warning" -1 7 1 {CSTYLE "" -1 -1 "Cour ier" 1 10 0 0 255 1 2 2 2 2 2 1 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{PSTYLE "Ordered List 2" -1 206 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }1 1 0 0 3 3 2 36 2 0 2 2 -1 1 }{CSTYLE "Help V ariable" -1 25 "Courier" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "He lp Bold" -1 39 "Times" 1 12 0 0 0 1 2 1 2 2 2 2 0 0 0 1 }{CSTYLE "Page Number" -1 33 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Help Nonterminal" -1 24 "Courier" 1 12 0 0 0 1 2 1 2 2 2 2 0 0 0 1 } {CSTYLE "Default" -1 38 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 } {CSTYLE "Maple Comment" -1 21 "Courier" 1 12 0 0 0 1 2 1 2 2 2 2 0 0 0 1 }{CSTYLE "2D Math Small" -1 7 "Times" 1 1 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Popup" -1 31 "Times" 1 12 0 128 128 1 1 2 1 2 2 2 0 0 0 1 }{CSTYLE "Copyright" -1 34 "Times" 1 10 0 0 0 1 2 2 2 2 2 2 0 0 0 1 } {CSTYLE "2D Input" -1 19 "Times" 1 12 255 0 0 1 2 2 2 2 1 2 0 0 0 1 } {CSTYLE "Maple Input Placeholder" -1 200 "Courier" 1 12 200 0 200 1 2 1 2 2 1 2 0 0 0 1 }{CSTYLE "Help Underlined Bold" -1 41 "Times" 1 12 0 0 0 1 1 1 2 2 2 2 0 0 0 1 }{CSTYLE "Plot Text" -1 28 "Times" 1 8 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Help Italic" -1 42 "Times" 1 12 0 0 0 1 1 2 2 2 2 2 0 0 0 1 }{CSTYLE "Help Heading" -1 26 "Times" 1 14 0 0 0 1 2 1 2 2 2 2 0 0 0 1 }{CSTYLE "Help Normal" -1 30 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Dictionary Hyperlink" -1 45 "Times" 1 12 147 0 15 1 2 2 1 2 2 2 0 0 0 1 }{CSTYLE "Help Emphasized" -1 22 "Times" 1 12 0 0 0 1 1 2 2 2 2 2 0 0 0 1 }{CSTYLE "Help Italic Bold" -1 40 "Times" 1 12 0 0 0 1 1 2 2 2 2 2 0 0 0 1 }{CSTYLE "LaTeX" -1 32 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Help Underlined" -1 44 "Times" 1 12 0 0 0 1 2 2 1 2 2 2 0 0 0 1 }{CSTYLE "Help Underlined Italic" -1 43 "Times" 1 12 0 0 0 1 1 2 1 2 2 2 0 0 0 1 }{CSTYLE "2D M ath Bold" -1 5 "Times" 1 12 0 0 0 1 2 1 2 2 2 2 0 0 0 1 }{CSTYLE "2D M ath Italic" -1 3 "Times" 1 12 0 0 0 1 1 2 2 2 2 2 0 0 0 1 }{CSTYLE "Te xt" -1 201 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "2D Math \+ Italic Small" -1 202 "Times" 1 1 0 0 0 1 1 2 2 2 2 2 0 0 0 1 }{CSTYLE "Maple Input" -1 0 "Courier" 1 12 255 0 0 1 2 1 2 2 1 2 0 0 0 1 } {CSTYLE "Help Fixed" -1 23 "Courier" 1 10 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Plot Title" -1 27 "Times" 1 10 0 0 0 1 2 1 2 2 2 2 0 0 0 1 } {CSTYLE "2D Math Bold Small" -1 10 "Times" 1 1 0 0 0 1 2 1 2 2 2 2 0 0 0 1 }{CSTYLE "2D Math" -1 2 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Help Notes" -1 37 "Times" 1 12 0 0 0 1 2 1 2 2 2 2 0 0 0 1 } {CSTYLE "Hyperlink" -1 17 "Times" 1 12 0 128 128 1 2 2 1 2 2 2 0 0 0 1 }{CSTYLE "2D Math Symbol 2" -1 16 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Output Labels" -1 29 "Times" 1 8 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "2D Comment" -1 18 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "2D Output" -1 20 "Times" 1 12 0 0 255 1 2 2 2 2 2 2 0 0 0 1 }{CSTYLE "Help Maple Name" -1 35 "Times" 1 12 104 64 92 1 2 1 2 2 2 2 0 0 0 1 }{CSTYLE "Help Menus" -1 36 "Times" 1 12 0 0 0 1 2 1 2 2 2 2 0 0 0 1 }{CSTYLE "Prompt" -1 1 "Courier" 1 12 0 0 0 1 2 1 2 2 2 2 0 0 0 1 }{PSTYLE "" -1 207 1 {CSTYLE "" -1 -1 "Courier" 1 12 0 0 255 1 2 2 2 2 2 1 1 0 0 1 }1 1 0 0 0 0 2 0 2 0 2 2 -1 1 }{CSTYLE "" -1 203 "Times" 1 14 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{PSTYLE "" -1 208 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 0 0 1 }3 1 0 0 0 0 2 0 2 0 2 2 -1 1 }} {SECT 0 {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 12 "with(plots):" }}} {PARA 207 "" 0 "" {TEXT 201 51 "Warning, the name changecoords has bee n redefined\n" }}{EXCHG {PARA 0 "" 0 "" {TEXT 201 1 " " }{TEXT 203 54 " Plots for 12.6; Quadric Surfaces" }}{PARA 0 "" 0 "" {TEXT 201 0 "" }}{PARA 0 "" 0 "" {TEXT 201 178 "Just move the cur sor (or click with the left mouse button) on any of these plots to re- plot them. Only the first part of each command describes the surface, the rest is there to" }}{PARA 0 "" 0 "" {TEXT 201 85 "get the ranges \+ on the variables, the orientation, scaling, axes, and lighting set up. " }}{PARA 0 "" 0 "" {TEXT 201 0 "" }}{PARA 0 "" 0 "" {TEXT 201 356 "To see the plots better, click and hold the left mouse button while the \+ pointer is on the plot. The plot will change to a box. Move your han d, and the box will move. Move to a better viewing angle, and let go \+ of the button. Then, click with the center mouse button (or hit the e nter key in Windows) to re-draw the picture from the new viewing angle . \n" }}{PARA 0 "" 0 "" {TEXT 201 0 "" }}{PARA 0 "" 0 "" {TEXT 201 274 "This is a plot of the ellipsoid x^2/4 + y^2/16 + z^2/4 = 1. The \+ command may not look right, because it describes the surface parametri cally, rather than implicitly. There is another way to plot the ellip se, implicitly (that is, from an equation). It doesn't look as good." }}{PARA 0 "" 0 "" {TEXT 201 0 "" }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 266 "plot3d([2*cos(u)*sin(v), 4*sin(u)*sin(v), 2*cos(v)], u=0..2*Pi, v =0..Pi, style=patch, title=`The Ellipsoid x^2/4 + y^2/16 + z^2/4 = 1`, scaling=constrained,ambientlight=[1,1,1],light=[10,20,1,1,1], axes=bo xed, labels=[x,y,z], tickmarks=[2,2,2], orientation=[45,65]);" }} {PARA 208 "" 0 "" {TEXT 201 0 "" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 46 "Here is that same equation plotted implicitly:" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 14 "with(plots):\n" }{MPLTEXT 1 0 70 "implicitp lot3d(x^2/4 + y^2/16 + z^2/4 = 1, x=-2..2, y=-4..4, z=-2..2);" }} {PARA 0 "" 0 "" {TEXT 201 0 "" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 " \n" }{TEXT 201 85 "This is a plot of half the ellipsoid x^2/4 + y^2/16 + z^2/4 = 1, the half with x < 0." }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 279 "plot3d([2*cos(u)*sin(v), 4*sin(u)*sin(v), 2*cos(v)], u=Pi/2..3*Pi /2, v=0..Pi, style=patch, title=`Half of the Ellipsoid x^2/4 + y^2/16 \+ + z^2/4 = 1`, scaling=constrained,ambientlight=[1,1,1],light=[10,20,1, 1,1], axes=boxed, labels=[x,y,z], tickmarks=[2,2,2], orientation=[45,6 5]);" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" }{TEXT 201 57 "This i s a plot of the ellipsoid x^2/16 + y^2/9 + z^2 = 1." }}{PARA 0 "" 0 "" {TEXT 201 0 "" }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 262 "plot3d([4*cos(u) *sin(v), 3*sin(u)*sin(v), cos(v)], u=0..2*Pi, v=0..Pi, style=patch, ti tle=`The Ellipsoid x^2/16 + y^2/9 + z^2 = 1`, scaling=constrained,ambi entlight=[1,1,1],light=[10,20,1,1,1], axes=boxed, labels=[x,y,z], tick marks=[2,2,2], orientation=[45,75]);" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" }{TEXT 201 69 "This is a plot of the hyperboloid of one she et x^2 + y^2 - z^2 = 1. " }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 258 "plot3 d([cos(u)*cosh(v), sin(u)*cosh(v), sinh(v)], u=0..2*Pi, v=-2..2, style =patch, title=`The Hyperboloid x^2 + y^2 - z^2 = 1`, scaling=constrain ed,ambientlight=[1,1,1],light=[10,20,1,1,1], axes=boxed, labels=[x,y,z ], tickmarks=[2,2,2], orientation=[45,65]);" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" }{TEXT 201 79 "This is a plot of the hyperboloid of two sheets x^2 - y^2 - z^ 2 = 1, two views." }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 305 "plot3d(\{[cos h(v), cos(u)*sinh(v), sin(u)*sinh(v)],[-cosh(v), cos(u)*sinh(v), sin(u )*sinh(v)]\}, u=0..2*Pi, v=-2..2, style=patch, title=`The Hyperboloid \+ x^2 - y^2 - z^2 = 1`, scaling=constrained,ambientlight=[1,1,1],light=[ 10,20,1,1,1], axes=boxed, labels=[x,y,z], tickmarks=[2,2,2], orientati on=[45,65]);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" }{TEXT 201 49 "Here is the plot of th e cone x^2 + y^2 - z^2 = 0." }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 233 "plo t3d([cos(u)*v, sin(u)*v, v], u=0..2*Pi, v=-2..2, style=patch, title=`T he Cone x^2 + y^2 - z^2 = 0`, scaling=constrained,ambientlight=[1,1,1] ,light=[10,20,1,1,1], axes=boxed, labels=[x,y,z], tickmarks=[2,2,2], o rientation=[45,65]);" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" } {TEXT 201 166 "Nested plot of the cone x^2 + y^2 - z^2 = 0, the hyperb oloid of one sheet x^2 + y^2 - z^2 = 1, and the hyperboloid of two she ets x^2 + y^2 - z^2 = -1. Cut-away view." }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 495 "plot3d(\{[cos(u)*1.5*v, sin(u)*1.5*v, 1.5*v], [cos(u )*cosh(v), sin(u)*cosh(v), sinh(v)], [cos(u)*sinh(v), sin(u)*sinh(v), \+ cosh(v)],[cos(u)*1.5*v, sin(u)*1.5*v, -1.5*v], [cos(u)*cosh(v), sin(u) *cosh(v), -sinh(v)], [cos(u)*sinh(v), sin(u)*sinh(v), -cosh(v)]\}, u=P i..2*Pi, v=0..1.5, style=patch, title=`The Cone, The Hyperboloids of O ne Sheet and Two.`, scaling=constrained,ambientlight=[1,1,1],light=[10 ,20,1,1,1], axes=boxed, labels=[x,y,z], tickmarks=[2,2,2], orientation =[45,65],grid=[10,10]);" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" } {TEXT 201 86 "Elliptic paraboloid x^2 + y^2/4 = z. No longer a param etric plot; this one is better" }}{PARA 0 "" 0 "" {TEXT 201 28 "plotte d directly as a graph." }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 248 "plot3d(x ^2 + y^2/4, x=-2..2, y=-3..3, style=patch, title=`The Elliptic Parabol oid x^2 + y^2/4 - z = 0`, scaling=constrained,ambientlight=[1,1,1],lig ht=[10,20,1,1,1], axes=boxed, labels=[x,y,z], tickmarks=[2,2,2], orien tation=[45,65], grid=[10,10]);" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 0 "" }}{PARA 0 "" 0 "" {TEXT 201 2 "\n" }{TEXT 201 145 "To see why this \+ is an ``elliptic'' paraboloid, let's look at it again, cut off at heig ht z=1. Move it around to see the ellipse on the bottom. " }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 278 "plot3d(x^2 + y^2/4, x=-2..2, y=-3..3, vie w=1..6, style=patch, title=`The Elliptic Paraboloid x^2 + y^2/4- z = 0 , cut off below z=1`, scaling=constrained,ambientlight=[1,1,1],light= [10,20,1,1,1], axes=boxed, labels=[x,y,z], tickmarks=[2,2,2], orientat ion=[45,65], grid=[10,10]);" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n " }{TEXT 201 39 "Hyperbolic paraboloid x^2 - y^2 = z. " }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 248 "plot3d(x^2 - y^2, x=-2..2, y=-2..2, style=pa tch, title=`The Hyperbolic Paraboloid x^2 - y^2/4 - z = 0`, scaling=co nstrained,ambientlight=[1,1,1],light=[10,20,1,1,1], axes=boxed, labels =[x,y,z], tickmarks=[2,2,2], orientation=[62,65], grid=[10,10]);" }}} {EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" }{TEXT 201 225 "Just as we did before, you can slice this off with a horizontal plane to see why it \+ is called a ``hyperbolic paraboloid''. This shows why the word ``hype rbolic'' is used, slicing vertically shows why it is a ``paraboloid''. " }}{PARA 0 "> " 0 "" {MPLTEXT 1 0 278 "plot3d(x^2 - y^2, x=-2..2, y= -2..2, view=1..5, style=patch, title=`The Hyperbolic Paraboloid x^2 - \+ y^2/4 - z = 0, cut off below z=1`, scaling=constrained,ambientlight=[1 ,1,1],light=[10,20,1,1,1], axes=boxed, labels=[x,y,z], tickmarks=[2,2, 2], orientation=[62,65], grid=[10,10]);" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 201 2 "\n" }{TEXT 201 29 "Here it is sliced vertically:" }} {PARA 0 "> " 0 "" {MPLTEXT 1 0 259 "plot3d(x^2 - y^2, x=0..2, y=-2..2, style=patch, title=`The Hyperbolic Paraboloid x^2 - y^2/4 - z = 0, f or x > 0`, scaling=constrained,ambientlight=[1,1,1],light=[10,20,1,1,1 ], axes=boxed, labels=[x,y,z], tickmarks=[2,2,2], orientation=[62,65], grid=[10,10]);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}} {EXCHG {PARA 0 "> " 0 "" {XPPEDIT 19 1 "" "%#%?G" }}}} {MARK "0 0 0" 0 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 2 33 1 1 }