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Description:
The TI-Nspire group is a forum for teachers who are interested in using the TI-Nspire calculator in the Mathematics or Science classroom to improve learning outcomes.
Please note that courteous professional discussion is expected at all times.
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regression line x on y
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i draw a regression line y on x, wanted to draw the other line x on y
to show students the intersection point:(xbar, ybar). how to draw the
line x on y? TY
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vesica piscis circles flower
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Hey,
Someone, somewhere has surely named all these parts....
This is what I have found so far.....
[link]
This is a project we are working on...finding the area of the various parts
1 estimation with graph paper 2 by hand two different ways 3 confirm on... more »
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binomial histogram
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[cid:image001....@01CD3B53.032 6C810][cid:image002....@01CD3B 53.0326C810]
See attached. I draw a summary plot using page 1.2 to get P1.4, here the histogarms have wrong upper and lower bound, eg, shld be [7.5, 8.5), not [8,9), I went 'bin settings' can only change the width of the histogram,(by the way, what is 'alignment' under 'bin settings'), when I use the cursor to hover near the histogram, it gives prob of [8,9], shld be [7.5,8.5], how I change the x axis so that the integers values sit in the middle of the histogram?TY... more »
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is it poss to lock my own Nspire
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in case the Nspire is stolen...is there anyway to have some security
feature like HP, in which one needs to key in a code to use the
calculator? TY!
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publish view
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i recorded a lesson using the navigator sys:under class capture, i
recorded 1 student's screen. then i try to put it under video in
publish view but cant upload the recordign at all...any idea? TY!
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Dock cable
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Hey,
I just received 30 new CX nSpires and I want to upgrade their OS. I used
the Dock to charge them, and now I want to know what kind of cable connects
a CX Dock to a computer?
Is it a big USB to a big USB, or a big USB to a small USB (what comes with
the calculators), or something else?
I have Nav...is there an easy way to use that to update? (Seems like a... more »
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Is there a simple way to set the length of a side of a triangle
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I am trying to show my student why the sides of 24, 50 and 17 won't form a triangle. I made three segments and have them measuring these lengths, but if I move them, the lengths change. Is there a simple way to lock the lengths and be able to move them around so that they can play with them and convince themselves that they can't make a triangle?... more »
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Plotting a specific point
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Trying to plot a specific point. For example want to plot (3, pi/3) on the polar plane. If I try POINTS & LINES/POINT, and then press "(", I can enter a first coordinate but cannot find a way to get to the 2nd coordinate. Must be missing something simple.
Thanks,
Al
Al Coons
Department of Mathematics... more »
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Create my own template? Or...?
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This may be too much to ask, but is it possible for someone to create
their own template, in addition to those provided (Nspire CX CAS
Catalog, tab 5). I often need to indicate a range for a math problem
or graph, i.e., |0<x<2pi and it's tiresome to type. Or does someone
have an alternative suggestion on how to quickly add this to an... more »
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