M. Decimal  Places
The  [tab!  key  is  used  to  specify  the  number of decimal  digits  in the calculation result.  The number of 
places after the decimal  point is specified by the numeral key  (  1  Q  I  ~  1  9  1  )  pressed after the  [tabI  key. 
For free  floating calculation  press the  1  •  I  key  after  |tab|  .  Carry over will be automatically rounded. 
First Press  ItabI  [  *  1 
Key in  1.23456789 C=]
Display reads  1.23456789 
Press  ItabI l  3  l  , display reads  1.235 
Press  ItabI l  9  l  , display reads  1.234567890 
Calculate  1.2 x  10-12  x 4.5 x 1CT10 
Key in:  (taS  CD  1.2E  ED   12  x 4.5E  [ED  10  [= ]
Answer:  5.4E-22
Note that for results smaller than 0.4 x  10-9  use  ItabI  I  *  I  only
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