关键词：十进制转换为二进制，十进制二进制转换，十进制，二进制

function c10to2(x)

mysign=sgn(x)

x=abs(x)

DigS=1

do

if x<2^DigS then

exit do

else

DigS=DigS+1

end if

loop

tempnum=x



i=0

for i=DigS to 1 step-1

if tempnum>=2^(i-1) then

tempnum=tempnum-2^(i-1)

c10to2=c10to2 & "1"

else

c10to2=c10to2 & "0"

end if

next

if mysign=-1 then c10to2="-" & c10to2

end function