65-538.fm Page 10 Monday, December 13, 1999 9:15

USING THE +/– KEY

Press +/– to change the displayed value from positive to negative or from negative to positive.

Note: MINUS - appears for a negative value.

CALCULATION EXAMPLES

Basic

You Press

You See

 

 

 

 

256 + 378 =

634.

 

 

471 – 223 =

248.

 

 

15.5 2.3 =

35.65

 

 

17.2 ÷ 2.5 =

6.88

 

 

24 +

24.

 

 

10

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Radio Shack EC-252 owner manual Using the +/- KEY, Calculation Examples, Basic