Sharp EL-1801C Manual De Manejo página 5

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
calculation may be continued.
C CE
CLEAR / CLEAR ENTRY KEY:
Clear —
Clear entry — When pressed after a number and before a function, clear the
TOTAL KEY:
When pressed after
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
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).
MARKUP KEY:
MU
Used to perform mark-ups, percent change and automatic add-on/discount.
RECALL AND CLEAR MEMORY KEY
M
RECALL MEMORY KEY
M
STORE KEY:
STR
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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+
or
This key also serves as a clear key for the calculation register and
resets an error condition.
number.
+ –
or , prints the total of addition and subtraction with "
instruction.
–
, the subtotal is printed with " " and the
3
∗
".