%%% iroiro.tex 2015-3-18 11:9
%%% graph.sce 2015-3-18 8:28
{\unitlength=1cm%
\begin{picture}%
(  10.00000,  10.00000)(  -5.00000,  -4.00000)%
\special{pn 8}%
%
\special{pa -964 -2362}\special{pa -924 -2169}\special{pa -844 -1808}\special{pa -763 -1480}%
\special{pa -683 -1185}\special{pa -603 -922}\special{pa -522 -693}\special{pa -442 -496}%
\special{pa -362 -332}\special{pa -281 -201}\special{pa -201 -102}\special{pa -121 -37}%
\special{pa -40 -4}\special{pa 40 -4}\special{pa 121 -37}\special{pa 201 -102}\special{pa 281 -201}%
\special{pa 362 -332}\special{pa 442 -496}\special{pa 522 -693}\special{pa 603 -922}%
\special{pa 683 -1185}\special{pa 763 -1480}\special{pa 844 -1808}\special{pa 924 -2169}%
\special{pa 964 -2362}%
\special{fp}%
\special{pa -1181 394}\special{pa -1133 345}\special{pa -1085 297}\special{pa -1036 249}%
\special{pa -988 201}\special{pa -940 153}\special{pa -892 104}\special{pa -844 56}%
\special{pa -795 8}\special{pa -747 -40}\special{pa -699 -88}\special{pa -651 -137}%
\special{pa -603 -185}\special{pa -554 -233}\special{pa -506 -281}\special{pa -458 -329}%
\special{pa -410 -378}\special{pa -362 -426}\special{pa -313 -474}\special{pa -265 -522}%
\special{pa -217 -570}\special{pa -169 -619}\special{pa -121 -667}\special{pa -72 -715}%
\special{pa -24 -763}\special{pa 24 -812}\special{pa 72 -860}\special{pa 121 -908}%
\special{pa 169 -956}\special{pa 217 -1004}\special{pa 265 -1053}\special{pa 313 -1101}%
\special{pa 362 -1149}\special{pa 410 -1197}\special{pa 458 -1245}\special{pa 506 -1294}%
\special{pa 554 -1342}\special{pa 603 -1390}\special{pa 651 -1438}\special{pa 699 -1486}%
\special{pa 747 -1535}\special{pa 795 -1583}\special{pa 844 -1631}\special{pa 892 -1679}%
\special{pa 940 -1727}\special{pa 988 -1776}\special{pa 1036 -1824}\special{pa 1085 -1872}%
\special{pa 1133 -1920}\special{pa 1181 -1969}%
\special{fp}%
\special{pa 0 787}\special{pa 38 787}\special{pa 76 786}\special{pa 113 784}\special{pa 151 781}%
\special{pa 189 777}\special{pa 226 773}\special{pa 263 768}\special{pa 300 762}\special{pa 336 755}%
\special{pa 372 747}\special{pa 408 739}\special{pa 443 730}\special{pa 478 720}\special{pa 512 709}%
\special{pa 546 698}\special{pa 580 686}\special{pa 612 673}\special{pa 644 660}\special{pa 676 646}%
\special{pa 706 631}\special{pa 736 616}\special{pa 766 600}\special{pa 794 583}\special{pa 822 566}%
\special{pa 848 548}\special{pa 874 529}\special{pa 899 510}\special{pa 923 491}\special{pa 947 471}%
\special{pa 969 450}\special{pa 990 430}\special{pa 1010 408}\special{pa 1029 386}%
\special{pa 1047 364}\special{pa 1064 342}\special{pa 1080 319}\special{pa 1095 295}%
\special{pa 1108 272}\special{pa 1121 248}\special{pa 1132 224}\special{pa 1142 200}%
\special{pa 1151 175}\special{pa 1159 151}\special{pa 1166 126}\special{pa 1171 101}%
\special{pa 1176 76}\special{pa 1179 50}\special{pa 1180 25}\special{pa 1181 0}%
\special{fp}%
\special{pa -1181 0}\special{pa -1180 25}\special{pa -1180 38}\special{fp}\special{pa -1176 76}\special{pa -1171 101}\special{pa -1169 113}\special{fp}%
\special{pa -1159 150}\special{pa -1159 151}\special{pa -1151 175}\special{pa -1147 186}\special{fp}%
\special{pa -1133 222}\special{pa -1132 224}\special{pa -1121 248}\special{pa -1117 256}\special{fp}%
\special{pa -1098 289}\special{pa -1095 295}\special{pa -1080 319}\special{pa -1078 322}\special{fp}%
\special{pa -1056 353}\special{pa -1047 364}\special{pa -1032 382}\special{fp}\special{pa -1007 411}\special{pa -990 430}\special{pa -981 439}\special{fp}%
\special{pa -953 465}\special{pa -947 471}\special{pa -925 490}\special{fp}\special{pa -895 514}\special{pa -874 529}\special{pa -864 536}\special{fp}%
\special{pa -833 558}\special{pa -822 566}\special{pa -801 579}\special{fp}\special{pa -768 598}\special{pa -766 600}\special{pa -736 616}\special{pa -735 616}\special{fp}%
\special{pa -701 634}\special{pa -676 646}\special{pa -666 650}\special{fp}\special{pa -632 665}\special{pa -612 673}\special{pa -596 680}\special{fp}%
\special{pa -561 693}\special{pa -546 698}\special{pa -525 705}\special{fp}\special{pa -488 717}\special{pa -478 720}\special{pa -452 727}\special{fp}%
\special{pa -415 737}\special{pa -408 739}\special{pa -378 746}\special{fp}\special{pa -341 754}\special{pa -336 755}\special{pa -303 761}\special{fp}%
\special{pa -266 767}\special{pa -263 768}\special{pa -228 773}\special{fp}\special{pa -190 777}\special{pa -189 777}\special{pa -152 781}\special{fp}%
\special{pa -114 784}\special{pa -113 784}\special{pa -76 786}\special{fp}\special{pa -38 787}\special{pa -38 787}\special{pa 0 787}\special{fp}%
%
%
\special{pn 8}%
\special{pa 787 4}\special{pa 787 -4}\special{fp}\special{pa 787 -35}\special{pa 787 -43}\special{fp}%
\special{pa 787 -75}\special{pa 787 -83}\special{fp}\special{pa 787 -114}\special{pa 787 -122}\special{fp}%
\special{pa 787 -153}\special{pa 787 -161}\special{fp}\special{pa 787 -193}\special{pa 787 -201}\special{fp}%
\special{pa 787 -232}\special{pa 787 -240}\special{fp}\special{pa 787 -272}\special{pa 787 -280}\special{fp}%
\special{pa 787 -311}\special{pa 787 -319}\special{fp}\special{pa 787 -350}\special{pa 787 -358}\special{fp}%
\special{pa 787 -390}\special{pa 787 -398}\special{fp}\special{pa 787 -429}\special{pa 787 -437}\special{fp}%
\special{pa 787 -468}\special{pa 787 -476}\special{fp}\special{pa 787 -508}\special{pa 787 -516}\special{fp}%
\special{pa 787 -547}\special{pa 787 -555}\special{fp}\special{pa 787 -587}\special{pa 787 -595}\special{fp}%
\special{pa 787 -626}\special{pa 787 -634}\special{fp}\special{pa 787 -665}\special{pa 787 -673}\special{fp}%
\special{pa 787 -705}\special{pa 787 -713}\special{fp}\special{pa 787 -744}\special{pa 787 -752}\special{fp}%
\special{pa 787 -783}\special{pa 787 -791}\special{fp}\special{pa 787 -823}\special{pa 787 -831}\special{fp}%
\special{pa 787 -862}\special{pa 787 -870}\special{fp}\special{pa 787 -902}\special{pa 787 -910}\special{fp}%
\special{pa 787 -941}\special{pa 787 -949}\special{fp}\special{pa 787 -980}\special{pa 787 -988}\special{fp}%
\special{pa 787 -1020}\special{pa 787 -1028}\special{fp}\special{pa 787 -1059}\special{pa 787 -1067}\special{fp}%
\special{pa 787 -1098}\special{pa 787 -1106}\special{fp}\special{pa 787 -1138}\special{pa 787 -1146}\special{fp}%
\special{pa 787 -1177}\special{pa 787 -1185}\special{fp}\special{pa 787 -1216}\special{pa 787 -1224}\special{fp}%
\special{pa 787 -1256}\special{pa 787 -1264}\special{fp}\special{pa 787 -1295}\special{pa 787 -1303}\special{fp}%
\special{pa 787 -1335}\special{pa 787 -1343}\special{fp}\special{pa 787 -1374}\special{pa 787 -1382}\special{fp}%
\special{pa 787 -1413}\special{pa 787 -1421}\special{fp}\special{pa 787 -1453}\special{pa 787 -1461}\special{fp}%
\special{pa 787 -1492}\special{pa 787 -1500}\special{fp}\special{pa 787 -1531}\special{pa 787 -1539}\special{fp}%
\special{pa 790 -1572}\special{pa 785 -1578}\special{fp}\special{pa 752 -1575}\special{pa 744 -1575}\special{fp}%
\special{pa 713 -1575}\special{pa 705 -1575}\special{fp}\special{pa 673 -1575}\special{pa 665 -1575}\special{fp}%
\special{pa 634 -1575}\special{pa 626 -1575}\special{fp}\special{pa 595 -1575}\special{pa 587 -1575}\special{fp}%
\special{pa 555 -1575}\special{pa 547 -1575}\special{fp}\special{pa 516 -1575}\special{pa 508 -1575}\special{fp}%
\special{pa 476 -1575}\special{pa 468 -1575}\special{fp}\special{pa 437 -1575}\special{pa 429 -1575}\special{fp}%
\special{pa 398 -1575}\special{pa 390 -1575}\special{fp}\special{pa 358 -1575}\special{pa 350 -1575}\special{fp}%
\special{pa 319 -1575}\special{pa 311 -1575}\special{fp}\special{pa 280 -1575}\special{pa 272 -1575}\special{fp}%
\special{pa 240 -1575}\special{pa 232 -1575}\special{fp}\special{pa 201 -1575}\special{pa 193 -1575}\special{fp}%
\special{pa 161 -1575}\special{pa 153 -1575}\special{fp}\special{pa 122 -1575}\special{pa 114 -1575}\special{fp}%
\special{pa 83 -1575}\special{pa 75 -1575}\special{fp}\special{pa 43 -1575}\special{pa 35 -1575}\special{fp}%
\special{pa 4 -1575}\special{pa -4 -1575}\special{fp}\special{pn 8}%
\special{pa 1195 -801}\special{pa 1187 -806}\special{pa 1178 -807}\special{pa 1169 -803}%
\special{pa 1163 -795}\special{pa 1161 -786}\special{pa 1164 -777}\special{pa 1171 -771}%
\special{pa 1180 -768}\special{pa 1189 -769}\special{pa 1197 -775}\special{pa 1200 -784}%
\special{pa 1200 -793}\special{pa 1195 -801}\special{sh 1}\special{fp}%
\settowidth{\Width}{A}\setlength{\Width}{0\Width}%
\settoheight{\Height}{A}\settodepth{\Depth}{A}\setlength{\Height}{-0.5\Height}\setlength{\Depth}{0.5\Depth}\addtolength{\Height}{\Depth}%
\put(3.0500,2.0000){\hspace*{\Width}\raisebox{\Height}{A}}%
%
%
\settowidth{\Width}{$y=x^2$}\setlength{\Width}{-1\Width}%
\settoheight{\Height}{$y=x^2$}\settodepth{\Depth}{$y=x^2$}\setlength{\Height}{-\Height}%
\put(-2.0500,3.9500){\hspace*{\Width}\raisebox{\Height}{$y=x^2$}}%
%
%
\special{pa 787 -20}\special{pa 787 20}%
\special{fp}%
\settowidth{\Width}{$a$}\setlength{\Width}{-0.5\Width}%
\settoheight{\Height}{$a$}\settodepth{\Depth}{$a$}\setlength{\Height}{-\Height}%
\put(2.0000,-0.1000){\hspace*{\Width}\raisebox{\Height}{$a$}}%
%
%
%
\special{pa 20 -1575}\special{pa -20 -1575}%
\special{fp}%
\settowidth{\Width}{$a^2$}\setlength{\Width}{-1\Width}%
\settoheight{\Height}{$a^2$}\settodepth{\Depth}{$a^2$}\setlength{\Height}{-0.5\Height}\setlength{\Depth}{0.5\Depth}\addtolength{\Height}{\Depth}%
\put(-0.1000,4.0000){\hspace*{\Width}\raisebox{\Height}{$a^2$}}%
%
%
%
\settowidth{\Width}{$\theta$}\setlength{\Width}{-0.5\Width}%
\settoheight{\Height}{$\theta$}\settodepth{\Depth}{$\theta$}\setlength{\Height}{-0.5\Height}\setlength{\Depth}{0.5\Depth}\addtolength{\Height}{\Depth}%
\put(-1.3100,0.2900){\hspace*{\Width}\raisebox{\Height}{$\theta$}}%
%
%
\special{pa -591 0}\special{pa -592 -25}\special{pa -597 -49}\special{pa -604 -72}%
\special{pa -615 -95}\special{pa -628 -116}\special{pa -644 -135}\special{pa -648 -139}%
\special{fp}%
\special{pa 787 -118}\special{pa 906 -118}\special{pa 906 0}%
\special{fp}%
\settowidth{\Width}{$?$}\setlength{\Width}{-0.5\Width}%
\settoheight{\Height}{$?$}\settodepth{\Depth}{$?$}\setlength{\Height}{-0.5\Height}\setlength{\Depth}{0.5\Depth}\addtolength{\Height}{\Depth}%
\put(0.2000,2.8000){\hspace*{\Width}\raisebox{\Height}{$?$}}%
%
%
\special{pn 4}%
\special{pa 787 -1575}\special{pa 756 -1561}\special{pa 724 -1548}\special{pa 693 -1533}%
\special{pa 662 -1519}\special{pa 632 -1503}\special{pa 601 -1488}\special{pa 571 -1471}%
\special{pa 541 -1455}\special{pa 511 -1437}\special{pa 482 -1420}\special{pa 453 -1402}%
\special{pa 424 -1383}\special{pa 395 -1364}\special{pa 367 -1345}\special{pa 339 -1325}%
\special{pa 312 -1304}\special{pa 284 -1284}\special{pa 257 -1262}\special{pa 231 -1241}%
\special{pa 205 -1219}\special{pa 179 -1196}\special{pa 153 -1173}\special{pa 128 -1150}%
\special{pa 103 -1126}\special{pa 79 -1102}\special{pa 55 -1078}\special{pa 31 -1053}%
\special{pa 8 -1028}\special{pa -15 -1002}\special{pa -38 -976}\special{pa -60 -950}%
\special{pa -81 -924}\special{pa -102 -897}\special{pa -123 -869}\special{pa -144 -842}%
\special{pa -164 -814}\special{pa -183 -786}\special{pa -202 -757}\special{pa -221 -728}%
\special{pa -239 -699}\special{pa -256 -670}\special{pa -274 -640}\special{pa -290 -610}%
\special{pa -306 -580}\special{pa -322 -549}\special{pa -338 -519}\special{pa -352 -488}%
\special{pa -367 -457}\special{pa -380 -425}\special{pa -394 -394}%
\special{fp}%
\special{pn 8}%
\special{pn 4}%
\special{pa -223 -129}\special{pa -174 -81}%
\special{fp}%
\special{pa -367 -343}\special{pa -28 -4}%
\special{fp}%
\special{pa -371 -417}\special{pa 41 -5}%
\special{fp}%
\special{pa -336 -451}\special{pa 91 -25}%
\special{fp}%
\special{pa -301 -486}\special{pa 136 -49}%
\special{fp}%
\special{pa -266 -521}\special{pa 174 -81}%
\special{fp}%
\special{pa -232 -556}\special{pa 210 -114}%
\special{fp}%
\special{pa -197 -591}\special{pa 241 -152}%
\special{fp}%
\special{pa -162 -625}\special{pa 273 -191}%
\special{fp}%
\special{pa -127 -660}\special{pa 301 -232}%
\special{fp}%
\special{pa -92 -695}\special{pa 327 -276}%
\special{fp}%
\special{pa -58 -730}\special{pa 353 -319}%
\special{fp}%
\special{pa -23 -765}\special{pa 377 -364}%
\special{fp}%
\special{pa 12 -799}\special{pa 400 -411}%
\special{fp}%
\special{pa 47 -834}\special{pa 423 -458}%
\special{fp}%
\special{pa 82 -869}\special{pa 446 -505}%
\special{fp}%
\special{pa 116 -904}\special{pa 466 -554}%
\special{fp}%
\special{pa 151 -939}\special{pa 486 -604}%
\special{fp}%
\special{pa 186 -973}\special{pa 506 -653}%
\special{fp}%
\special{pa 221 -1008}\special{pa 526 -703}%
\special{fp}%
\special{pa 256 -1043}\special{pa 544 -755}%
\special{fp}%
\special{pa 290 -1078}\special{pa 562 -806}%
\special{fp}%
\special{pa 325 -1113}\special{pa 580 -858}%
\special{fp}%
\special{pa 360 -1147}\special{pa 598 -909}%
\special{fp}%
\special{pa 395 -1182}\special{pa 615 -962}%
\special{fp}%
\special{pa 430 -1217}\special{pa 631 -1015}%
\special{fp}%
\special{pa 464 -1252}\special{pa 647 -1069}%
\special{fp}%
\special{pa 499 -1287}\special{pa 664 -1122}%
\special{fp}%
\special{pa 534 -1321}\special{pa 680 -1175}%
\special{fp}%
\special{pa 569 -1356}\special{pa 695 -1230}%
\special{fp}%
\special{pa 604 -1391}\special{pa 710 -1284}%
\special{fp}%
\special{pa 638 -1426}\special{pa 725 -1339}%
\special{fp}%
\special{pa 673 -1461}\special{pa 740 -1394}%
\special{fp}%
\special{pa 708 -1495}\special{pa 755 -1448}%
\special{fp}%
\special{pa 743 -1530}\special{pa 769 -1504}%
\special{fp}%
\special{pa 778 -1565}\special{pa 783 -1560}%
\special{fp}%
\special{pn 8}%
\special{pa -1969 0}\special{pa 1969 0}%
\special{fp}%
\special{pa 0 1575}\special{pa 0 -2362}%
\special{fp}%
\settowidth{\Width}{$x$}\setlength{\Width}{0\Width}%
\settoheight{\Height}{$x$}\settodepth{\Depth}{$x$}\setlength{\Height}{-0.5\Height}\setlength{\Depth}{0.5\Depth}\addtolength{\Height}{\Depth}%
\put(5.0500,0.0000){\hspace*{\Width}\raisebox{\Height}{$x$}}%
%
%
\settowidth{\Width}{$y$}\setlength{\Width}{-0.5\Width}%
\settoheight{\Height}{$y$}\settodepth{\Depth}{$y$}\setlength{\Height}{\Depth}%
\put(0.0000,6.0500){\hspace*{\Width}\raisebox{\Height}{$y$}}%
%
%
\settowidth{\Width}{O}\setlength{\Width}{-1\Width}%
\settoheight{\Height}{O}\settodepth{\Depth}{O}\setlength{\Height}{-\Height}%
\put(-0.0500,-0.0500){\hspace*{\Width}\raisebox{\Height}{O}}%
%
%
\end{picture}}%