Question about Texas Instruments TI-30XA Calculator

# How do I calculate the Poisson Distribution on my TI-30XA?

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Posted on Jan 02, 2017

It does. For instance, to get the reciprocal of 4, enter the following sequence: 4 [1/x] (this last key to be found third row down, second black key in). The decimal 0.25 will appear as the result. Convert this, if you want, to the fraction 1/4 by pressing the yellow function key [2nd], then {F<>D] located bottom, far left. Hope that's what you wanted!

Posted on Oct 04, 2007

Press 0 STO 2 to clear your memory 2 (M2). to clear M1 and M3 press 0 STO 1 or 0 STO 3

Posted on May 27, 2008

SOURCE: TI-30XA

Use the inverse log key sequences "2nd LN" or "2nd LOG" depending on whether you are using natural logs or logs to base 10

Posted on Dec 31, 2008

Hello,
Here is an exemple from the manual.
Hope it helps.

Posted on Sep 17, 2009

The battery is an EPX76

Posted on Nov 17, 2009

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## Related Questions:

### How do you calculate Poisson Distribution?

Suppose that astronomers estimate that large meteors (above a certain size) hit the earth on average once every 100 years (lamda = 1 event per 100 years), and that the number of meteor hits follows a Poisson distribution. What is the probability of k = 4 meteors hits in the next 100 years?
See solution of the problem below

Mar 02, 2016 | Texas Instruments TI 30XIIS Scientific...

### Calculation of Poisson distribution

First, the Poisson Distribution describes events which have a small probability of occurrence at any very precise single value, like 3.546732190, but which nonetheless occur very very frequently in a range of values. Also the mean or average or expected value are the same as the variance, in your case, three (I think you meant three).

So looking up the tables for this (or plugging it in Excel) the prob x=4 exactly is 0.1680

Mar 23, 2014 | Sharp EL-738 Scientific Calculator

### How do I work the poissonpdf fuction?

The poissonpdf function computes a probability at x for the discrete Poisson distribution with the specified mean u, which must be a real number >0. x can be an integer or a list of integers.

As an example, to compute the probability with mean 1.9 and x=4, press
2ND [DISTR] ALPHA [C]
enter 1.9 on the first line and press ENTER
enter 4 on the second line and press ENTER
press ENTER again.
This will paste poissonpdf(1.9,4) onto the command line. Press ENTER again to see the result (about 0.08).

Oct 05, 2012 | Texas Instruments TI-84 Plus Calculator

### How do I convert from decimals to fraction with my TI-30X IIS calculator? I need the step by step process

The following examples will demonstrate how to convert decimals into fractions using the TI-30Xa and TI-30Xa Solar. Please be aware that TI-30Xa Solar School Edition calculators do not have this functionality.

Example: Convert .25 to 1/4
- Input .25, press [2nd][<--] (says F<>D above it).

** F<>D means fraction to decimal, decimal to fraction.

Example: Convert 1.38 to 1_19/50

- Input 1.38, press [2nd][<--].

Example: Convert 9.75 to 9_3/4

- Input 9.75, press [2nd]{<--].

Mar 08, 2011 | Texas Instruments TI-30XA Calculator

### I am typing the shifted function of LN to get the e for poisson but it's not working. what am i doing wrong?

That function raises e to a number. If you want the value of e, raise e to the first power.

Press 1 2nd [e^x] =

Feb 18, 2011 | Texas Instruments TI-30XA Calculator

### Can i do sigma notation on a ti-30xa calculator?

No. There are some keys on the TI-30XA that may make you think so, but they are statistical operations. For example, you can enter values using the Sigma+ key and the TI-30XA can give you the sum of the values entered, sum of the squares, mean value, standard deviation and so on.

You cannot do calculations like "Give me the sum of all integers from 1 to 100" with the TI-30XA, you'd need a far more sophisticated calculator.

Jan 06, 2011 | Texas Instruments TI-30XA Calculator

### How to use the nCr button for the binomial distribution using the ti 30Xa"

The key is accessed by sequence [2nd] 8
Eg; Selecting 3 out of 5
5C3 is entered as 5 [2nd][8] 3 [=], result is 10

Mar 22, 2010 | Texas Instruments TI-30XA Calculator

### I dont know how to do regression lines on my TI-30XA

You can't, the TI-30XA is a one variable statistical calculator, so you can't do two variable statistics with it.

You need to step up to the TI-35X or the TI-30X IIS

Oct 02, 2008 | Texas Instruments TI-30XA Calculator

### ANOVA

Nope, the TI-30XA is a one variable stat calculator.

Two variable stat is done OK by TI-36X or TI-30X IIS, also comparable HP or Casios

Sep 17, 2007 | Texas Instruments TI-30XA Calculator

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