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• Pressing of the , , , or key
clears the counter.
2) When the grand total mode selector is in the ON
position (GT), the counter will count the number of
times that the calculation results have been stored in
the grand total memory. To print and clear the count,
press the key.
3) The memory item counter will count the number of
times that the or key has been pressed in
addition and subtraction.
Note: • The count is printed when the memory is
recalled.
• Pressing of the key clears the counter.
“•” position: Neutral, counter is turned off.
Note: The counter has a maximum capacity of 3 digits (up to ±999). If the
count exceeds the maximum, the counter will recount from zero.
FIRST FACTOR ACCUMULATION SELECTOR: (Only QS-2770H)
“FΣ” position: The first factor is automatically added to or subtracted from
the memory. A first factor means the first number in multi-
plication and division and each number is printed with “×I”
and “
÷
I” respectively.
Ex. 2 × 3 × 5
÷
6 =
12
÷
7 × 9 =
–56 × 4 × 0.5 =
“•” position: Neutral
CONSTANT MODE SELECTOR:
“K” position: The following constant functions will be performed:
Multiplication: The calculator will automatically remember the first
number entered (the multiplicand) and the instruction.
Division: The calculator will automatically remember the second
number entered (the divisor) and the instruction.
Add-on/Discount/Mark up:
The calculator will automatically remember the first
entered number and key functions for Add-on/Discount/
Mark up calculation.
“•” position: Neutral
ROUNDING SELECTOR:
“ ” position: An answer is rounded up.
“5/4” position: An answer is rounded off.