Dual Calculators
0
C
←
(
)
7
8
9
÷
4
5
6
×
1
2
3
-
0
.
=
+
Transfer →
0
C
←
(
)
7
8
9
÷
4
5
6
×
1
2
3
-
0
.
=
+
← Transfer
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