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REM Àµ»ÍÌÌÂΤΰìÊÕ¤ÎŤµ¡§
REM 1
REM Àµ»ÍÌÌÂΤλͤĤÎĺÅÀ¤ÎºÂɸ¡§
REM A(sqrt(2)/4, sqrt(2)/4, sqrt(4)/2)
REM B(-sqrt(2)/4, -sqrt(2)/4, sqrt(4)/2)
REM C(-sqrt(2)/4, sqrt(2)/4, -sqrt(4)/2)
REM D(sqrt(2)/4, -sqrt(2)/4, -sqrt(4)/2)
REM ¥·¥ß¥å¥ì¡¼¥·¥ç¥ó¤ÎÎΰ衧
REM Àµ»ÍÌÌÂΤγÆĺÅÀ¤òÃæ¿´¤È¤·¤¿È¾·Â 1 ¤Îµå¤¬Æþ¤ëÎΰè
REM º£¤Ï°ìÊÕ¤ÎŤµ 3 ¤Ç³ÆÊÕ¤¬ºÂɸ¼´¤ËÊ¿¹ÔËô¤Ï¿âľ¤ÇÃæ¿´¤¬¸¶ÅÀ¤Ë¤¢¤ëΩÊýÂÎ

RANDOMIZE
LET n = 100000000

FUNCTION S1(x,y,z)
¡¡LET S1 = (x - SQR(2)/4)^2 + (y - SQR(2)/4)^2 + (z - SQR(2)/4)^2 - 1
END FUNCTION
FUNCTION S2(x,y,z)
¡¡LET S2 = (x + SQR(2)/4)^2 + (y + SQR(2)/4)^2 + (z - SQR(2)/4)^2 - 1
END FUNCTION
FUNCTION S3(x,y,z)
¡¡LET S3 = (x + SQR(2)/4)^2 + (y - SQR(2)/4)^2 + (z + SQR(2)/4)^2 - 1
END FUNCTION
FUNCTION S4(x,y,z)
¡¡LET S4 = (x - SQR(2)/4)^2 + (y + SQR(2)/4)^2 + (z + SQR(2)/4)^2 - 1
END FUNCTION

LET L = 3
LET V = L^3
LET c = 0
FOR i = 1 TO n
¡¡LET x = L * RND - L/2
¡¡LET y = L * RND - L/2
¡¡LET z = L * RND - L/2
¡¡IF (S1(x,y,z) <= 0) AND (S2(x,y,z) <= 0) AND (S3(x,y,z) <= 0) AND (S4(x,y,z) <= 0) THEN
¡¡¡¡LET c = c + 1
¡¡END IF
¡¡IF MOD(i,100000) = 0 THEN
¡¡¡¡PRINT i; ":"; c/i * V
¡¡END IF
NEXT i
PRINT "¥·¥ß¥å¥ì¡¼¥·¥ç¥ó¡§"; c/n * V
PRINT "´ö²¿³ØÂ缭ŵ¤ÎÃÍ¡§"; SQR(2)/12 + 4 * (18 - 7 * SQR(6))/27 * PI
PRINT "uchinyan¤Î²òÅúÃÍ¡§"; (32 - 81 * ACOS(1/3)/PI)/12 * PI + SQR(2)/4
END

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100000 : .44145
200000 : .43389
300000 : .43335
400000 : .4292325
500000 : .430218
600000 : .42633
700000 : .424902857142857
800000 : .4249125
900000 : .42507
1000000 : .426222
.......... (ÅÓÃæ¾Êά¡£°Ê²¼Æ±ÍÍ¡£)
10000000 : .4230414
..........
20000000 : .42205455
..........
30000000 : .4221234
..........
40000000 : .422310375
..........
50000000 : .42228216
..........
60000000 : .4220946
..........
70000000 : .421936714285714
..........
80000000 : .421904025
..........
90000000 : .4219551
..........
100000000 : .42205563
¥·¥ß¥å¥ì¡¼¥·¥ç¥ó¡§ .42205563
´ö²¿³ØÂ缭ŵ¤ÎÃÍ¡§ .515121485430053
uchinyan¤Î²òÅúÃÍ¡§ .422157733115827

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