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Doubt in EL

 
Shanmugam Karthikeyan
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Hi,

In page 395 in HFSJ, it has been stated as "In arithmetic, EL treats the null values as zero".

My doubt is that how in the first place null values get involved in an arithmetic expression.

Can anyone give me a proper example for the above statement.
 
Shanmugam Karthikeyan
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Hi,

I got the example... it is right there in that page itself ...
 
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