Question about Texas Instruments TI-Nspire Graphic Calculator

# Error domain with solving a poisscdf

I can't seem to find a way to solve poisscdf(x,2,1000)=0.01. I know that i can solve a normcdf by using nsolve(normcdf(x,1000)=0.01,x) but when i try nsolve(poisscdf(x,2,1000)=0.01,x)ill get a domain error, if i simply try a solve, ill get poisscdf(x,2,1000)=0.01 as an answer. How can i solve the equation?

Posted by Anonymous on

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Posted on Jan 02, 2017

SOURCE: @ symbol

According to the TI-89 Guidebook:

This notation indicates an “arbitrary integer” that represents any integer. When an arbitrary integer occurs multiple times in the same session, each occurrence is numbered consecutively. After it reaches 255, arbitrary integer consecutive numbering restarts at @n0.

Posted on Jan 30, 2009

Type it like this: solve( equation1 and equation2 and moreEquations, {list of variables to solve for})

Put all of your equations right after the opening parenthesis separated by the word and, then a comma, then within curly braces each variable you want to solve for each separated by a comma.

Posted on Oct 04, 2009

Perhaps you have some data stored in the x variable.

With the calculator on, press [2nd] then the minus button. This brings up a list of all the saved data in the calculator. Look through the far left column of the list for x.

If you find x in the list, highlight x, then press F1, and then select delete.

Now it should work like normal.

Posted on Nov 07, 2009

SOURCE: Memory error

You are probably entering the equation wrong. Dont do this: 3600=x(2+2) You have to enter the equation 3600=x*(2+2)

Posted on Dec 30, 2009

An argument must be in a specified domain. For example, ans(100) is not valid because the argument for ans() must be in the range 1–99.

Posted on Feb 17, 2010

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