Math-Bug
Posted: Tue Jun 19, 2007 3:57 pm
A little Bug in the Mathlib. Run this prog and look.
The Result is:

Have a nice day!
PB 4.02, XP
Code: Select all
OpenConsole()
For a=1 To 500000
For b=a+1 To 500000
If a*b=1000000
Nr+1
PrintN(Str(Nr)+": "+Str(a)+"*"+Str(b)+"="+Str(a*b))
EndIf
Next
Next
CloseConsole()
Code: Select all
1: 2*500000=1000000
2: 4*250000=1000000
3: 5*200000=1000000
4: 8*125000=1000000
5: 10*100000=1000000
6: 16*62500=1000000
7: 20*50000=1000000
8: 25*40000=1000000
9: 32*31250=1000000
10: 40*25000=1000000
11: 50*20000=1000000
12: 64*15625=1000000
13: 80*12500=1000000
14: 100*10000=1000000
15: 125*8000=1000000
16: 160*6250=1000000
17: 200*5000=1000000
18: 250*4000=1000000
19: 320*3125=1000000
20: 400*2500=1000000
21: 500*2000=1000000
22: 625*1600=1000000
23: 800*1250=1000000
Ok, everything correctly up to here. But this:
24: 17184*499938=1000000
25: 17363*494784=1000000
26: 18624*461283=1000000
27: 20616*416712=1000000
28: 25776*333292=1000000
29: 27488*312534=1000000
30: 27936*307522=1000000
31: 30924*277808=1000000
32: 34368*249969=1000000
33: 34726*247392=1000000
34: 35317*364864=1000000
35: 41232*208356=1000000
36: 45608*282536=1000000
37: 51552*166646=1000000
38: 52089*164928=1000000
39: 54976*156267=1000000
40: 55872*153761=1000000
41: 61848*138904=1000000
42: 66592*258002=1000000
43: 69452*123696=1000000
44: 70634*182432=1000000
45: 72624*473132=1000000
46: 82464*104178=1000000
47: 83323*103104=1000000
48: 86024*399432=1000000
49: 91216*141268=1000000
50: 93984*365602=1000000
51: 96832*354849=1000000
52: 99858*344096=1000000
53: 100256*428410=1000000
54: 100832*468558=1000000
55: 104124*453744=1000000
56: 110272*272651=1000000
57: 113436*416496=1000000
58: 118283*290496=1000000
59: 118368*399142=1000000
60: 125320*342728=1000000
61: 129001*133184=1000000
62: 129036*266288=1000000
63: 129512*298472=1000000
64: 133144*258072=1000000
65: 138181*466240=1000000
66: 138832*340308=1000000
67: 145248*236566=1000000
68: 149044*345808=1000000
69: 149236*259024=1000000
70: 151248*312372=1000000
71: 151291*340672=1000000
72: 156186*302496=1000000
73: 165868*466096=1000000
74: 170154*277664=1000000
75: 170336*302582=1000000
76: 171364*250640=1000000
77: 172048*199716=1000000
78: 172904*298088=1000000
79: 182801*187968=1000000
80: 199571*236736=1000000
81: 200512*214205=1000000
82: 201664*234279=1000000
83: 204832*440338=1000000
84: 208248*226872=1000000
85: 216688*475708=1000000
86: 220169*409664=1000000
87: 221425*484928=1000000
88: 233048*331736=1000000
89: 233120*276362=1000000
90: 237854*433376=1000000
91: 242464*442850=1000000
92: 257618*416800=1000000
93: 268608*271829=1000000
94: 278872*462040=1000000
95: 283424*378850=1000000
96: 289376*400742=1000000
97: 296224*449474=1000000
98: 303080*354280=1000000
99: 328737*457280=1000000
100: 339336*480968=1000000
101: 342960*438316=1000000
102: 348590*369632=1000000
103: 348716*406448=1000000
104: 358960*478604=1000000
105: 360726*452448=1000000
106: 370756*440208=1000000
107: 385808*489828=1000000
108: 407821*473920=1000000
109: 447088*461116=1000000
110: 458142*496864=1000000
111: 474688*488593=1000000

Have a nice day!
PB 4.02, XP