7-8 ʹsymֵͱͱת
⣺Enterȷϡ
>> t=0.01
t =
    0.0100
>> sym(t)        %ʽ
 ans =
 1/100
>> sym(t,'r')       %ʽ
 ans =
 1/100
>> sym(t,'f')       %ʽ
ans =
 '1.47ae147ae147b'*2^(-7)
>> sym(t,'e')       %ָʽ
ans =
1/100+eps/1067
>> sym(t,'d')       %ֵʽ
ans =
.10000000000000000208166817117217e-1
>> 
