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Complex numbers and arguments
11222018 03:58 AM
i have the hp 38g calculator and i cannot find arguments in complex numbers(i find as functions in math>>complex>>ARG etc. but i cannot use properly).For example when i enter this it gives me result 0. For example THIS:
How do i enter this in the calc?Thanks in advance
11222018 08:52 PM  edited 11222018 08:55 PM
To calculate your example, type the following into the 38g's entry line in degree mode, using the square root symbol where I have "sqrt" and the angle symbol where I have "angle":
(10, angle 45)*sqrt(2)*(10, angle 180)
This returns the complex result of (100,100) which of course equals 100100*i. You can then use the ABS and ARG commands on that result to see that it is equal to "100*sqrt(2) at angle 135°" in polar notation.
Hope that helps! Disclaimer: I don't work for HP, but I love their calculators.
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