Page 10 - Complex numbers

Example 2:

Perform the following calculations,

1. (7.48 − 9.43 ) − (3.55 + 8.38 )
2. (−5.581 + 9.12 ) − (15.38 + 8.76 )

3. (6.28 − 1.18 ) − (4.449 + 2.558 )

4. (2.69 − 9.85 ) − (−6.88 − 5.82 )
5. (−35.44 + 54.29 ) − (26.94 − 16.49 )

Express these calculations in the general form

−

where A and B are complex. The keystrokes from your
fx calculator are,

CQ(A)pQ(B)

1 (7.48 − 9.43 ) − (3.55 + 8.38 )

r

A? 7.48p9.43b=

B? 3.55+8.38b=
n

5