Decomposing Units on the TI-89 Titanium Calculator

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Discussion Overview

The discussion revolves around the capabilities of the TI-89 Titanium calculator regarding unit decomposition, specifically whether it can express units like watts in terms of their fundamental components (e.g., kg*m^2/(s^3)). Participants explore the calculator's functions, seek advice on programming, and share experiences with unit conversions.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested, Homework-related

Main Points Raised

  • One participant inquires about the possibility of displaying units like watts in their fundamental form using the TI-89 Titanium calculator.
  • Another participant suggests checking the owner's manual for more information on unit conversions.
  • A different participant mentions that they have found the manual to be vague and have reached out to the company for clarification.
  • One participant proposes that if the calculator has a USB port, it may be possible to find or create a program for unit conversions.
  • Another participant confirms that the calculator does have a USB port and expresses intent to explore this option further.
  • A participant points out the existence of a unit button on the calculator, although they note it can be challenging to use effectively.
  • One participant indicates that they have already attempted the suggested unit conversions without success.
  • Another participant asserts that the calculator can simplify or combine units but does not have a built-in function to decompose or expand them.

Areas of Agreement / Disagreement

Participants express uncertainty about the calculator's capabilities, with some suggesting it may not be able to decompose units while others explore alternative solutions. No consensus is reached regarding the functionality for unit decomposition.

Contextual Notes

Some participants reference the limitations of the calculator's manual and the potential need for additional programming to achieve desired unit conversions.

lukas86
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Hopefully I can throw this question in this section, sorry if it should go elsewhere. Seeing as I am studying in engineering, I thought others may have the same calculator and be helpful.

Anyways, I was wondering if there was a way on this calculator to show say 1*_W (unit of watts) in terms of kg*m^2/(s^3). I know how to convert say 1km to 1mile and all that sort of thing. I just want to know if it was possible to show the units of measurement that make up watts or joules or Newtons and things like that. Probably not, but I thought I would ask anyways. Thanks in advance.
 
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lukas86 said:
Hopefully I can throw this question in this section, sorry if it should go elsewhere. Seeing as I am studying in engineering, I thought others may have the same calculator and be helpful.

Anyways, I was wondering if there was a way on this calculator to show say 1*_W (unit of watts) in terms of kg*m^2/(s^3). I know how to convert say 1km to 1mile and all that sort of thing. I just want to know if it was possible to show the units of measurement that make up watts or joules or Newtons and things like that. Probably not, but I thought I would ask anyways. Thanks in advance.

I don't believe so. Perhaps the owners manual would have some more information. If you don't have one, I'm sure they are available online.

CS
 
I have looked in there, but it is pretty vague. I emailed the company at the start of the week, but they seem to be taking their time responding. I am not extremely worried, I was just curious and it would be useful sometimes.
 
Does calculator have a USB port to hook up to your computer? If it does then you can possibly find a program on the http://www.google.com/search?hl=en&...sult&cd=1&q=programs+for+calculators&spell=1" and if their isn't a program on the internet then you can program you caculator to convert units the programing on my TI-84 pulse silver edition is simple and you can probally program a basic unit conversion program yourself.
 
Last edited by a moderator:
It does yes, I'll look into that. Thanks.
 
Have you tried the unit conversions? There's a little unit button on there, but it's a little difficult to figure it out. Here's a little tutorial batesville.k12.in.us/Physics/CalcNet/Calculator/ti_89/units_conversion.htm
 
Ya I have already tried that, thanks though.
 
I don't think there is any built-in way to decompose or expand units. It will simplify/combine units, but not the reverse.
 

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