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    | • | 1. If the
    first "extra" digit is LESS than 5-drop it.  Now 
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    |  | the last digit
    of the number remains the same. 
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    |  | 
   
    | • | Ex. 4.321 becomes
    4.32 
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    |  | 
   
    | • | 2. If the
    first "extra" digit is 5 or MORE than 5,  drop 
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    |  | the number and
    increase the last significant digit by 1. 
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    |  | 
   
    | • | Ex. 4.336 becomes
    4.34 
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    |  | 
   
    | • | What is this
    "even/odd rule" I keep hearing about? 
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    |  | 
   
    | • | When digit is
    exactly 5: option will give an even number 
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    |  | as the answer
    (last digit is 0, 2, 4, 6, or 8). Refer to the 
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    |  | examples above. 
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