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May 01, 2014 (Vol. 34, No. 9)

Graphing Calculator HD

  • Different graph modes, can plot multiple functions at once
  • None
Platform: iPad  
Cost: $1.99

Gone are the days of squinting to look at graphs on the small monochromatic screen of your graphing calculator. The Graphing Calculator HD app provides users with an easy-to-use and powerful scientific calculator that displays beautifully (in color) on the iPad. The app supports function, parametric, and polar graph modes, and it allows users to plot up to four functions onto the graph at once (with each function depicted in its own color). The properties of the graph (min, max, etc.) can be adjusted in the “settings” tab, although users can also use standard iPad pinch-and-zoom capabilities to adjust the scaling of the graph. A regular calculator function is also provided, so one can actually use the app for scientific calculations. The keyboard in the app is nicely divided into functions, symbols, and numbers for easy entry.

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