EMPCD081A

8-Digit Calculator With Tax / Euro Function (Battery / Solar / Dual Power Type)

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Product Specification (V0.3) 09.15.2004

(This specification is subject to change without further notice)

B) Keyboard Descripion

EQUAL KEY (=)

Performs Keyed-in operation and maintains that operation for possible use.

Establishes power/reciprocation calculation.

MULTIPLICATION KEY (X)

Enters multiplicand.

Performs previous operation and displays result.

DIVISION KEY (÷)

Enters dividend.

Performs previous operation and displays result.

ADDITION KEY (+)

Conditions machine for an addition.

Performs previous operation and displays result.

SUBTRACTION KEY (-)

Conditions machine for a subtraction.

Performs previous operation and displays result.

PERCENT KEY (%)

The purpose of the percent key is to allow for calculation of add-on and discount.

Determination of add-on requires the principal amount to be the first entry followed

by the "+" or "X" key, with the percentage being the second entry. Depression of the

percent key yields the amount to add on, such as tax or interest. Depression of the

"=" key adds this amount to the principal.

CHANGE SIGN KEY (+/-)

Pushing the "+/-" key twice in succession causes the corresponding sign to appear

and disappear. During digit entry, this function changes he sign of the entered factor.