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Finding normalcdf function on TI-30x

Normalcdf function

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kakima

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Sorry, the TI-30x doesn't have the cumulative normal probability function built-in.

Posted on Aug 06, 2014

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marionbagget

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SOURCE: square roots

One way is you get square root by raising to the (1/2) power. For example square root of 16 is
16^(1/2).
You can use this method to get the other "roots" as well e.g. 1/3, 1/4, etc.

Posted on Apr 18, 2009

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Anonymous

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SOURCE: how do you divide the denominator into the numerator on the TI-30

Yes, you hit the yellow 2nd key and then the back arrow (it says F D above it in yellow.) It's the last key on the bottom of the left hand row.

Posted on Aug 19, 2009

Testimonial: "I finally figured it out by trial and error. Thanks for the help"

Anonymous

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SOURCE: How to do nPr or nCr on TI-30x Solar (scientific calc.)

If you have an older version on the TI30x Solar (not TI30Xa or newer) then you must use a different key sequence for nPr/nCr.

52 [2nd][x/y] 5 [2nd][nCr] gives 2598960 (the x/y button is above the Pi symbol on my version).
8 [2nd][x/y] 3 [2nd][nPr] gives 336

This took me forever to find out, so hopefully it will help someone!

Posted on Jun 28, 2010

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What are all the errors on TI-30X IIS?

You will find the description of all potential errors in the manual.
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What does deg in display on ti-30x mean

It means the calculator is current set to the degrees mode. Trigonometric function depend on how you measure the angle. The most common units are degrees, radians, and grads. To change the mode on the 30Xa, press the DRG key to cycle through them.
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How do you find standard deviation on TI-30X?

http://www.stat.ufl.edu/~mmeece/2023/Calculator.htm
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2nd vars 2 (normalcdf( -999999,-.1923) Just trying to get area from z value -.0.1923 keep getting errors

The normalcdf function takes three arguments: the z value, the mean, and the standard deviation. In the "standard" case the mean is 0 and the standard deviation is 1. Thus, try calculating
normalcdf(-.1923, 0, 1) .
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I bought it at a rummage sale and what a manual for it where can i get one? And is different from the TI 30X 11?

You can download the TI-30Xa guidebook from the manufacturer's web site at
http://education.ti.com/calculators/downloads/US/Guidebooks/Detail?id=6132

The TI-30Xa replaced the TI-30X within a year. The only enhancement was the added Constant key.

The TI-30XII, introduced about five years later, is a significantly different calculator, incorporating, among other things, a two-line display.
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I am trying to find the variance can this be found with the TI-30X II S I have the Texas Instruments TI-30 X II S on solar batteries, it has 2nd function but i am not sure how to find the summation for...

There is a quick guide here which should help http://education.ti.com/downloads/guidebooks/scientific/30xii/30xiiqrg-eng.pdf
So you press 2nd Function , select 1-Var or 2-Var (for paired datat) then enter your data pressing down arrow after each and Enter to finish then press STAT / VAR to see the various variables

Please give me a thumbs up if this helped
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How do I turn off my scientific calculator ti 30x iis

I had the same problem. However, I learned: Press the upper light blue button, Reading: 2nd and then press: the ON button. This method shuts mine off.
11_22_2019_9_15_16_pm.jpg
27helpful
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How to do nPr or nCr on TI-30x Solar (scientific calc.)

If you have an older version on the TI30x Solar (not TI30Xa or newer) then you must use a different key sequence for nPr/nCr.

52 [2nd][x/y] 5 [2nd][nCr] gives 2598960 (the x/y button is above the Pi symbol on my version).
8 [2nd][x/y] 3 [2nd][nPr] gives 336

This took me forever to find out, so hopefully it will help someone!
5helpful
1answer

TI-30xIIs calculator

This function is FIX or FSE near the dot [.] or above it, so press [2nd] the the [FIX] where it located button [.] for example then the dot [.] him self: [2nd] [FIX] [.]
Rate me, thanks.
60helpful
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Rounding function on my TI-30xIIs calculator, it won't turn off.

This function is FIX or FSE near the dot [.] or above it, so press [2nd] the the [FIX] where it located button [.] for example then the dot [.] him self: [2nd] [FIX] [.]
Rate me, thanks.
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