![]() ![]() LFC, CAPE is integrated between the LFC and EL (or top of sounding). CIN is integrated between the surface and Of a given upper air profile and parcel path. ![]() cape_cin ( pressure, temperature, dewpoint, parcel_profile, which_lfc = 'bottom', which_el = 'top' ) #Ĭalculate the convective available potential energy (CAPE) and convective inhibition (CIN) thickness_hydrostatic_from_relative_humidityĬape_cin # metpy.calc.saturation_equivalent_potential_temperature.relative_humidity_from_specific_humidity.By themselves, none of them seem like a big deal, but together they show an attention to detail that makes PCalc both efficient and a pleasure to use. PCalc is filled with simple affordances like this. 2 I can enter the dimensions directly as I read them from the tape, with no need to convert in my head or do the division as a side calculation. I find this especially useful when adding or subtracting dimensions taken with a tape measure, which are typically in inches and fractions of an inch. More important, you don’t have to use the 2nd key to do it.įor example, to enter \(3\frac\), you’d could press either. The calculations aren’t done as fractions-PCalc converts them immediately to decimal-but you can enter them that way. This allows you to enter fractions and mixed numbers directly. PCalc’s decimal point key changes to Frac when the 2nd key is active. It’s one I mentioned a couple of years ago, but it bears repeating if you need to do calculations with fractions. Still, I’d like to leave you with a usage tip. Unlike version 2.8, version 3.0 doesn’t include a huge jump in functionality most of the new features have to do with the display and adaptations to iOS 7. The extra pixels don’t make PCalc noticeably easier to read or to use, but I like having the calculator take over the phone fully. PCalc 3 has an option to turn the status bar off and have the calculator take over the whole screen. You may have noticed something a little odd about the screenshots above-no status bar. ![]() I can say, though, that every function I normally use continued to work flawlessly on iOS 6.) I was too busy with work to exercise all the features. (I was, by the way, an absolutely worthless beta tester during the version 3.0 development. ![]() I’m not sure which theme I’ll settle on, but if James came out with a darker version of Samurai, I’d be all over it. I could live without the skeuomorphic LCD-green background of the display area, but I find the separate color for the Enter key and the red background of the delete keys helpful in directing my fingers. I’ve been a Twilight user since its introduction in version 1.3, and I like its muted tones. The big buttons are nice because they give the labels room to breathe, but I’m not sure about the color scheme. I’m not running iOS 7 yet, 1 so I don’t have the new flat, thinly fonted icon on my home screen, but I have tried out the new iOS 7-style theme, Samurai. If you’re a calculator person, you’ll probably think the same. I have no interest in running down other iOS calculator apps-except Calcbot, which is an embarrassment-but I settled on PCalc as my everyday calculator years ago and have found no reason to change. James Thomson released a new, iOS 7-ready version of PCalc on Friday. ![]()
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