Why Can’t I Get My Groups to Start at 150?

Question:

I am trying to get the histogram groups to start at 150 but FX Stat seems to be ignoring me. I am using the new “Groups Start At” option.

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Starting a Histogram at 0

Question:

I was hoping you could tell me how to begin a histogram at 0. When I do a histogram the first bar starts before 0. I can change the width but can’t seem to change where the histogram begins.

Answer:
The histogram tool will group your raw data as best it can but, if you do not like what it does, the best thing to do is to create your own groups. That way you can produce anything you like.

FX Stat also has the capability to group your raw data into groups that you define but that is a different process.

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Perpendicular Angle Marks Not Drawing Correctly?

Question:

Why are these perpendicular angle marks being drawn as squares? I just want two lines.

Answer:

Although it is not obvious from your diagram, this is because you are drawing shaded angle marks and the shading has been set to white. When angle marks are shaded, they draw the complete square.

Here I have marked an angle as perpendicular and shaded it. In your case the shading is white but I have made it green so that you can see it. To get a normal perpendicular mark, select the angle mark (as shown above) and change the shading to none.

When there is no shading attached to the angle mark, FX draw will only draw the two lines rather than the square.

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Marking Angles

Question:

The angle marking tool is not allowing me to mark the angle I want. How can I fix this?

Answer:

I think your question is relating to this situation – where you are trying to mark angle ABC but the angle marking tool is always finding ABD or DBC.

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How Do I Shade an Integral to the y Axis?

Question:

How do I shade the area

what formula should I put in? I have (y=x4+1, y=1, y=3)

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Drawing a Semicircle

Question:

How do I draw a semicircle?

Answer:

There are a few options but probably the easiest way is to use the arc defined by centre and two end points tool.

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Finding Integrals Between Two Curves

Question:

Can you show me how to shade the area between the curves step by step?

Answer:

FX Graph/Draw can only find integrals between functions and the red curve is a relation. To get what you are after, we need to add a function that FX Graph can use. In this case, the function is y=sr x. Continue reading

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