Sharp Micro COMPET QT-8D Instruction Manual page 9

Ex. 1-3 12.345678 + 1234.5678
Steps
operation
1 12.345678
2 +=
3 1234.5678
4 (=)
NOTE: Underflow system
display
12.345678
12.345678
1234.5678
1246.9134 < invisible part
note
In this calculation, the decimal point is aligned to that of addend and the
lowest two digits of the answer which exceeds 8 digits, ''78,'' are discarded.
Ex.1—-—4 8246246 + 3963966 + 98457823 + 35
Steps:
operation display
1 8246246 8246246.
2 8246246.
3 3963966 3963966.
4
+=
12210212.
5 98457823 98457823.
6 += 11066803
7 35 35:
8 = 90000000
NOTE: In continuous addition:
< invisible part
note
1. If the answer exceeds 8 digits, the last digit is shifted one digit to the right
8