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tsvm/assets/disk0/home/basic/sqrt.bas
2020-12-25 21:31:45 +09:00

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QBasic

10 X=1337
20 Y=0.5*X
30 Z=Y
40 Y=Y-((Y^2)-X)/(2*Y)
50 IF NOT(Z==Y) THEN GOTO 30 : REM 'NOT(Z==Y)' can be rewritten to 'Z<>Y'
100 PRINT "Square root of ";X;" is approximately ";Y