1.62
2014-10-04
This app has been updated by Apple to display the Apple Watch app icon.
App is now compatible with iOS 8.
1.61
2014-09-11
Added Google Ads.
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PLEASE DO NOT INSTALL THIS APP in iOS 8.
NEW iOS8 version coming soon.
1.60
2012-05-07
update to iOS 5.1
Note: This is the last update for this App. I only plan to support ElectricalFiltersPro in the future.
1.52
2011-10-27
updated to iOS 5.
1.51
2011-10-12
Added equations to information page.
1.5
2011-06-05
Added option to e-mail filter design.
1.4
2011-05-19
Fix minor bug when calculating Band-Stop Inverse-Chebyshev Filter.
1.3
2011-04-19
Added iPad version
1.2
2011-03-14
Added Filter Prototype Equations in Info Page.
1.1
2011-03-01
Added Legendre Filters.