simple assignment operator+add and assignment operator -subtract and assignment operator *multiply and assignment operator /divide and assignment operator (assigns values from right side operands to left side operand(add right operand to the left operand and assign the result to left operand(subtract right operand from the left operand and assign the result to left operand(multiply right operand with the left operand and assign the result to left operand(divide left operand with the right operand and assign the result to left operand*remember that double '==sign is the equality operator