Radio Shack EC-252 owner manual Calculation Errors

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65-538.fm Page 8 Monday, December 13, 1999 9:15

To clear the display for a new calculation, press ON/C twice. 0. appears, then begin the new calculation.

If you press an incorrect operator key (+, , , ÷ ), simply press the correct key and con- tinue your calculation.

CALCULATION ERRORS

ERROR appears in the upper left corner when:

A calculation result exceeds 8 digits to the left of the decimal point. This is an overflow error (see “Estimating Calcu- lation Results”).

A memory calculation result exceeds 8 digits to the left of the decimal point. Memory contents remain unchanged.

You try to divide by 0.

To clear an error, press ON/C.

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Contents Metric Conversion Calculator Contents IntroductionKeys and Functions Fm Page 4 Monday, December 13, 1999 Enters 5. Also converts Fm Page 6 Monday, December 13, 1999 Turning on the EC-252 Correcting Entry ErrorsOperation Calculation Errors Estimating Calculation Results Basic Using the +/- KEYCalculation Examples Constants Percentage Add-OnDiscount ReciprocalExponent Example /8 =Memory Calculations Example 2392 + 73 = -64.61582 786Conversion Example 12.8 m = ? ft LengthExample 75/8 in = ? cm Weight Example 245 US gal = ? l VolumeExample 100 ml = ? US fl. oz Example -35C = ? F TemperatureArea Example 1540 cm2 = ? ft2 Care Replacing the Battery Fm Page 24 Monday, December 13, 1999 Fm Page 25 Monday, December 13, 1999 Specifications Limited One-Year Warranty We Service What We Sell