15C Scientific Calculator App Support

15C Scientific Calculator App User Reviews

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15C Scientific Calculator Pros

✓ 15C Scientific CalculatorI have owned a 15C for many, many years and just love it. I now have it on my Mac and iPod touch. Just love it and glad to have it always with me!.•Fervency•Version: 2.3

✓ Great rendition of a great classicThis is a great app. The glow effect on the buttons sometimes makes it harder to find the button I'm looking for, but this is my only gripe. My physical HP-15C got me through engineering school, and it's great to be able to have it on the desktop too. Nice job..G perskreepersVersion: 2.10

15C Scientific Calculator Cons

✗ Nice, but degree mode doesnMy version of this software is stuck in radian mode. I press the blue function key and the DEG button; when I then calculate sin 90, it gives 0.89400 instead of zero. When I change the mode the Gradians, it still calculates sin 90 = 0.89400, indicating it isn't in gradian mode either, in spite of the display saying the calculator is in GRAD mode. I can change it to RAD mode, and the display shows this, and it continues to calculate sin 90 = 0.89400 (as it should in this case. This is a fairly significant bug and it should be fixed. Otherwise the calculator looks beautiful and seems to work, though I haven't thoroughly tested it yet. Addendum (November 10, 2011): On further testing, I have discovered that the polar coordinates mode does not work either. When I enter a point in rectangular mode in, and then hit the ->P button, there is no change. This button is supposed to change the point into polar form (r, theta), but the number remains in rectangular mode. It seems there is an issue with modes on this calculator, specifically that some of the modes won't change. Addendum (August 16, 2012), version 2.10: Just updated. I put the calculator in degree mode. Then press 90. Then press cos. I get -0.4481 (of course it should be 1.0000). This program clearly has problems with degree mode trigonometry. I haven't tested the latest version further..Catchblue22Version: 2.10

✗ Stopped working - no supportThe calculator worked well for years on both my iphone and macbook. The iphone version stopped working. Despite numerous attempts for assistance, I have not been able to get any help. The macbook OSX version continues to function as expected..Park Ridge - JohnVersion: 2.3

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