Calculators Maintenance Update

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I've done some updates to a couple of calculators on the site. The Animated Reflectometer HTML5 version had a bug where the animation would be drawn with the wrong sign for values entered into the load impedance (ZL) field. The displayed numerical results were correct, but the animation would demonstrate an open circuit condition if you entered zero impedance for the load, instead of displaying a shorted condition. This has been fixed now.

Also, the Mixer Waveforms web apps were not displaying due to evolving security settings on the site. Some of the scripts were being requested over an insecure connection, while the page itself was delivered over a secure connection. So the scripts were not loading at all in many browsers. This issue has been corrected and the waveforms are now displayed and can be interacted with.

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