What is ?
Adding/Subtracting
Multiplying complex #s
Dividing complex #s
Solving complex eqs.
100

i5

i

100

(2 + i) + (3 + 2i)

5+3i

100

−4i ⋅ 5i

20

100

3/5i

-3i / 5

100

x+ 16 = 0

x= +/- 4i

200

i18

-1

200

(4 + 5i) + (8i + 7)

11+13i

200

(1 − 7i)2

−48 − 14i

200

(6 + 8i) / 9i

−6i + 8 / 9

200

2x2+18=0

x= +/- 3i

300

i100

1

300

(8 - 9i)+(7 - 7i)

15 - 16i

300

(7 − 6i)(−8 + 3i)

−38 + 69i

300

(−3 − 7i) / (7 + 10i)

−91 − 19i / 149

300

-4/5 x- 20 = 0

x = +/- 5i
400

i255

i3

400

(3 - i) - (-4 + 2i) 

7 - 3i

400

(6i)3

−216i

400

8i / (−1 + 3i)

−4i + 12 / 5

400

1/3 x+ 5/3 = 0

x = +/- i√ ̅5

500

i1995

i3

500

( - 20i + 6) - (-70 - 8i) 

-12i + 76

500

7i ⋅ 3i(−8 − 6i)

168 + 126i

500

i / (−2 − 8i)

−i − 4 / 34

500

4x2 + 24 = 0

x = +/- i√ ̅6

M
e
n
u