Most people that own an iPhone have carefully gathered apps like a
squirrel gathering nuts for the long winter. They've chosen what they
believe they'll need to enhance their way of life by painstakingly
browsing the App Store and reading random reviews. Apple hopes to help those app gatherers.
For struggling musicians, the
fast-track to superstardom is no longer steady rotation on a popular
radio station or an opening-act slot on the next Coldplay tour. Look no further than the iTunes App Store.
The i41CX+ RPN Calculator with Printer looks and functions just like the graphing calculators that are standard in high school classrooms today, such as the TI-83+ or HP-41C. The interface captures the nostalgia of learning to use a scientific calculator, but only after you take some time to figure out how this app actually works.
If graphing functionality is all you need, then this free app is
worth the download. The graphing calculator plots and traces several
equations at a time, supports a plethora of essential equations
functions, and can email an image of the graph. The X and Y coordinates
are displayed at the top, while pinching the screen zooms in and out of
the graph, enabling you to take a closer look at the coordinates.
Grafly is a sensationally vibrant way to graph your equation. This app
displays your equation in 2D or 3D with full shading, lighting, and
distinction between the inside and the outside of the shape. The 3D
graphs are touch-based, tilt-based, and gravity-based; pinch to zoom in
and out, calibrate “down” for tilt mode, or, in gravity mode, spin the
axis anyway you like by moving your device to get a full, 360 degree
This graphing calculator application has an easy to use interface with
its sizeable buttons, customizable background colors, and clear grid
lines. However, it can be overwhelming at first, since there’s no
tutorial or built-in help available.