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Convert to Complex
Addition
Subtraction
Multiplication
100

sqrt(-100)

What is 

10i

100

(3+4i)+(2-7i)


What is

5-3i

100

(9+5i)-(2+3i)

What is

7+2i

100

5i * 8i

What is -40

200

sqrt(-5)

What is

isqrt(5) or sqrt(5)i

200

(-4+3i)+(2-12i)

What is

-2-9i

200

(7-4i)-(5-3i)

What is

2-i

200

10(-3+i)

-30+10i

300

-sqrt(-49)

What is

-7i

300

(4-3i)+(-2+5i)

What is

2+2i

300

(-5-i)-(7+4i)

What is

-12-5i

300

(1+i)(3+2i)

What is

1+5i

400

3sqrt(-16)

What is

12i

400

(4+sqrt(-25))+(6-sqrt(-16))

What is

10+i

400

(9-7i)-(3-8i)

What is

6+i

400

(3+8i)(3-8i)

What is 73

500

-5sqrt(-121)

What is

-55i

500

(5+sqrt(-36))+(2-sqrt(-49))

What is

7-i

500

(3+sqrt(-16))-(-2-sqrt(-100))

What is

5+14i

500

(2+3i)^2

What is

-5+12i