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10 REM PC-BASIC test
20 REM LOG function
30 OPEN "OUTPUT.TXT" FOR OUTPUT AS 1
40 ON ERROR GOTO 10000
50 PRINT#1, LOG
60 PRINT#1, LOG(
70 PRINT#1, LOG("ABC"
80 PRINT#1, LOG(1
90 PRINT#1, LOG(1.5
100 PRINT#1, LOG(-1)
110 PRINT#1, LOG(1)
120 PRINT#1, LOG(-1.5)
130 PRINT#1, LOG(1.5)
140 PRINT#1, LOG(-1.5D2)
150 PRINT#1, LOG(1.5D2)
160 PRINT#1, LOG("ABC")
200 PRINT#1, LOG(0)
210 PRINT#1, LOG(256)
220 PRINT#1, LOG(32768)
230 PRINT#1, LOG(65536)
240 PRINT#1, LOG(1.701412E+38)
250 PRINT#1, LOG(1.701411834604692D+38)
300 PRINT#1, LOG(1)
310 PRINT#1, LOG(#1)
320 PRINT#1, LOG(1,1)
9999 END
10000 PRINT#1, ERR, ERL
10010 RESUME NEXT
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