You need to provide "the following", otherwise other users cannot answer your question.
However, the Java operator for "not equal to" is "!=".
// For example.
if (1 != 2) {
System.out.println("1 doesn't equal 2");
}
The if-statement in the code above will always run, since 1 is not equal to 2.
HLOOKUP performs the same function as VLOOKUP, but looks up data that has been formatted by rows. HLOOKUP searches for a value in the top row of a table, and then returns a value in the same column from a row you specify in the table or array
Answer:

Explanation:
In order to obtain the decimal number we have to use the next formula:

(The position to the right of the decimal point we will take it as negative)
Using the formula we have:

