Sharp EL-1801C Clear / Clear Entry KEY, Total KEY, Equal KEY, Change Sign KEY, Markup KEY

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Non-add— When this key is pressed right after an entry of a number in the Print mode, the entry is printed on the left-hand side with “#”.

This key is used to print out numbers not subjects to calculation such as code, date, etc

Subtotal — Used to get subtotal(s) of additions and/or subtractions. When

pressed following + or – , the subtotal is printed with “” and the calculation may be continued.

CLEAR / CLEAR ENTRY KEY:

Clear — This key also serves as a clear key for the calculation register and resets an error condition.

Clear entry — When pressed after a number and before a function, clear the number.

TOTAL KEY:

When pressed after + or – , prints the total of addition and subtraction with “∗”.

EQUAL KEY:

Gives the results of multiplication and division and performs repeat calculation with a constant.

Multiplication:

The calculator will automatically remember the first number entered (the

multiplicand) and instruction.

Division:

The calculator will automatically remember the second number entered (the divisor)

and instruction.

CHANGE SIGN KEY:

Changes the algebraic sign of a number (i.e., positive to negative or negative to positive).

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MARKUP KEY:

Used to perform mark-ups, percent change and automatic add-on/discount.

RECALL AND CLEAR MEMORY KEY

RECALL MEMORY KEY

STORE KEY:

This key is used to store the tax rate.

•A maximum of 4 digits can be stored (decimal point is not counted as a digit).

•Only one rate can be stored. If you enter a new rate, the previous rate will be cleared.

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