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Using the Independent Add Register
Product of Sums
(2 + 3) x (4 + 5) = 45
Example
Set Switches PRINTER (ON), DECIMAL (F)
Enter
Press
Display
Print
2
[+]
2.
2. +
3
[+]
5.
3. +
[T]
002......................
5.
5. *
[x]
5.
5. x
4
[+]
4.
4. +
5
[+]
9.
5. +
[T]
002........................
9.
9. *
[=]
9. =
45.
45. *
23
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