•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 =
“•” 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
“•” position: Neutral
ROUNDING SELECTOR:
“
” position: An answer is rounded up.
“5/4” position: An answer is rounded off.
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