Radio Shack EC-291 - Manual (Page 62)

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For example:
Press C/CE once to clear the last entry.
Press C/CE twice to clear all pending
calculations.
Note: If the result of a calculation has
more than 10 digits, or if you try to di-
vide by 0,
E (error) appears. To clear
the error, press C/CE .
Square Calculations
To do square calculations, press the
number and
× , then =.
You press You see
3 + 4 = 7.
8 Ч 3 – 4 = 20.
6 ч 3 + 2 = 4
65-743.fm Page 62 Wednesday, February 9, 2005 9:17 AM