Pubblicato il 18/11/2011Read time: 1 min

Amongst hundreds of calculators available on the AppStore, Calculator HD + is one of the most attractive, especially because it is very use friendly. It has no more functions than those essential.

The app offer: high precision engine, result is displayed while typing the formula, multiple undo, switch between workspaces, persistent history, specialized keypad for iPhone and iPad, supports bluetooth, keyboard, right or left-handed mode, print easily with AirPrint and you can shere calculations history by e-mail.

Video tutorial and preview of the app:

[video:http://www.youtube.com/user/Scienzainrete#p/u/6/q6NjX8t4uVw]

Calcolatrice HD+ fig 1 Calcolatrice HD+ fig 2 Calcolatrice HD+ fig 3 Calcolatrice HD+ fig 4

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Is 1.5 degrees still a realistic goal?

di Lorenzo Carta

di Sophia Grew

Pubblicato il 14/12/2023

Photo: Simon Stiell, Executive Secretary di UNFCCC (Source: UNclimatechange, CC BY-NC-SA 2.0 DEED)

Environment

Keep 1.5 within reach, "keep the 1.5 degrees within reach." This was the slogan with which COP28 opened, the United Nations conference on climate change that just concluded in Dubai. The feasibility of this goal, however, now seems more uncertain than ever, even though many considered this aim too ambitious from the outset.

A nice and useful app

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