+ When signs are different

Subtract and use sign of number farthest from zero

Click-click, then use rules for +

Mult.or Divide same sign

Multiply/Divide as usual sign is positive.

Mult. or Divide different sign

Mult/Divide as usual sign is negative

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Stack #116697

Rules for Operations with integers

Operation	Rule
+ When signs are the same	Add and use the sign
+ When signs are different	Subtract and use sign of number farthest from zero
- Integers	Click-click, then use rules for +
Mult.or Divide same sign	Multiply/Divide as usual sign is positive.
Mult. or Divide different sign	Mult/Divide as usual sign is negative
- a negative is the same as	+ a positive (Click-click)