# Tagged Questions

Grapher is a 2D and 3D graphing application that comes bundled in Mac OS X

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### Mac Grapher Complex Error Function

I understand the the Grapher app in Mac OS X comes with erf and erfc, the error function and complementary error function. However, when I define y = Re[erfc(-ix)], the Grapher app just returns ...
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### Is Grapher able to display values in the x-axis as (π/2), (π), (3π/2), (2π) rather than 1,57, 3,14, 4,71, 6,28 (and so on.. )?

As title says.... Is Grapher able to display values in the x-axis as (π/2), (π), (3π/2), (2π) rather than 1,57, 3,14, 4,71, 6,28 ?(and so on.. ) ?
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### Which font is used when I export formulas from Grapher?

You can export formulas from Grapher with drag&drop. Which font is used for this? I want to write some stuff in the same font in Keynote, but I cannot find the correct font...
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### Vector dot product and scalar multiplication in Grapher.app

I'm trying to play around with vectors in Grapher.app, but I'm getting an error when I try to A: multiply two vectors (specified as a vertical matrix) together, and B: multiply a vector by a scalar ...
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### How do I increase significant digits in Grapher?

How do I increase the significant digits in Grapher?
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### How do I shade the region between two curves in Grapher?

How do I shade the region (or area) between two curves in Grapher? I'm looking for a way to do this in a 2D graph. The only example which comes close to this is the "Evaluation and Integration" ...