52 lines
1.2 KiB
Plaintext
52 lines
1.2 KiB
Plaintext
10 PRINT CHR$(147)
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20 n = 100
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30 ln = int(10*n/4)
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40 nd = 1
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50 dim a(ln)
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60 n9 = 0
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70 pd = 0 :rem First predigit is a 0
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80 :
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90 for j = 1 to ln
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100 a(j-1) = 2 :rem Start with 2s
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110 next j
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120 :
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130 for j = 1 to n
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140 q = 0
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150 for i = ln to 1 step -1 :rem Work backwards
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160 x = 10*a(i-1) + q*i
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170 a(i-1) = x - (2*i-1)*int(x/(2*i-1)) :rem X - INT ( X / Y) * Y
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180 q = int(x/(2*i - 1))
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190 next i
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200 a(0) = q-10*int(q/10)
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210 q = int(q/10)
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220 if q=9 then n9 = n9 + 1 : goto 450
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240 if q<>10 then 350
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250 rem q == 10
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260 d = pd+1 : gosub 500
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270 if n9 < 0 then 320
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280 for k = 1 to n9
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290 d = 0: gosub 500
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300 next k
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310 rem end if
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320 pd = 0
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330 n9 = 0
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335 goto 450
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340 rem q <> 10
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350 d = pd: gosub 500
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360 pd = q
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370 if n9 = 0 then 450
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380 for k = 1 to n9
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390 d = 9 : gosub 500
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400 next k
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410 n9 = 0
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450 next j
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460 print mid$(str$(pd),2,1)
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470 end
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480 :
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490 rem outputd
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500 if nd=0 then print mid$(str$(d),2,1); : return
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510 if d=0 then return
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520 print mid$(str$(d),2,1);".";
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530 nd = 0
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550 return
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