Complex Number Cruncher calculates the sum, difference, quotient or product of two complex numbers. Simply enter the real/imaginary or modulus/argument values for each complex number, select +, −, × or ÷ control and tap the calculate button.

Entering data in rectangular form using the real and imaginary text boxes or in polar form using the modulus and argument text boxes. As you enter data in either of the real and imaginary boxes, the modulus and argument will automatically re-calculate and update. As you enter data in either the modulus and argument boxes, the real and imaginary will automatically re-calculate and update.

The segmented control lets you select addition, subtraction, multiplication and division. Tap the relevant option to select.

Once you've entered data for the two numbers, tap the calculate button to display the result at the bottom of the screen.

Tapping clear all resets all the text boxes to zero.

Entering data in rectangular form using the real and imaginary text boxes or in polar form using the modulus and argument text boxes. As you enter data in either of the real and imaginary boxes, the modulus and argument will automatically re-calculate and update. As you enter data in either the modulus and argument boxes, the real and imaginary will automatically re-calculate and update.

The segmented control lets you select addition, subtraction, multiplication and division. Tap the relevant option to select.

Once you've entered data for the two numbers, tap the calculate button to display the result at the bottom of the screen.

Tapping clear all resets all the text boxes to zero.