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# Complex subtraction online calculator

Category:

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### App description

Complex subtraction is a two-complex online tool that is programmed by the calculator to perform subtraction operations. The plural a + bi form, where a and b are both expressions of real numbers. If z = a + bi is a complex number, then the z of the real and imaginary parts, called a and b, are expressed as (z) and Im(z), respectively. Use complex numbers in many scientific fields, including engineering, electromagnetics, quantum physics, applied mathematical theory. Therefore, it is necessary to learn complex numerical operations. From the formula, we can infer the subtraction between two complex numbers z1 and z2.

$$z1 = a + bj$$

$$z2 = c + dj$$

Complex subtraction formula:

$$z1 + z2 = (a + bj) - (c + dj)= (a - c) + (b - d)j$$

### Usage example:

Complex: Z(A+Bi): 4+ 5i

Complex: W(C+Di): 2+ 1i

Click "calculate" to output the result

Z-W = 2+4i