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Calculators Hi am a science major doing a masters in Engineering. I would love to know if they are calculators that can convert units and what brands would you recommend

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Re: calculators - Lingo Converter Calculator Calculators

Texas instruments ti 89 or ti 84

Posted on Aug 27, 2009

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Re: calculators

For a master's in engineering you would need one the HP 48g (not manufactured anymore) or the HP49g or HP50g.

On the HP48g you can perform calculations with the units attached, and the calculator will arrange the result by showing the appropriate unit.
Same thing with the HP49g's and the HP50g's.

There exist scientific calculators that perform simple unit conversions: in to cm, degree F to degree C and such simple things. However you won't go far with them during your engineering studies.

There are some fine TI calculators that will help you a lot in engineering: The TI89platinum, the TI92 and TI92Plus, the Voyage 200PLT.
With these beasts you can even do symbolic calculus (integration, differentiation) and true symbolic algebra, and exact arithmetics. AND there are a lot of specific programs written to handle specific engineering problems. Those can be downloaded from the Internet to your calculator.

Hope that helps.

Posted on Aug 18, 2009

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Re: calculators

The best calculator wch i prefer for engg students s Casio Fx - 991ms ScientificCalculator...this a very gud calci...plz buy this its worth...u hav all the functions neccessary for u!!!!

Posted on Jul 24, 2009

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Unless you have the Science app, you have to do the conversion by hand. Multiply your answer by 1/39.37.
The conversion is 1mm for every 39.37 thou.

May 11, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

How can I get the answers fro the sig fig calculator and the unit converters found in the science tools app out of scientific notation? I want them to show in regular form.

Press MODE. Use the arrows to highlight NORMAL on the top line and press ENTER. Highlight FLOAT on the second line and press ENTER. Press 2ND [QUIT] to exit the mode screen.

Mar 27, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Hmmmm...I'm pretty sure most TI users know about the dimming function of the calculator. So, Mr, Guru, why is my TI85 is not turning on even though I've installed brand new batteries in it (Both the AAA's...

In the TI85 this problem could be if you did not use the calculator for a long time. in this case the calculator need hardware reset.
if it will not help its an Hardware Failure
if you want to fix the Calculator let me know


Oct 22, 2010 | Texas Instruments TI-85 Calculator

1 Answer

When i enter a log. problem the calculator will not give me decimals beyond the tenth place

If you look at the screen you will notice that it is limited. It can only display a certain number of symbols (numbers, letters, signs). Furthermore, its memory capacity is also limited. Being just a calculator, it can only give you approximate values. However, even if it can display 10 decimal digits only, it is performing calculations with 12 to 15 digits. The precision it is giving is more than your problem has in the first place. How precise are the numbers you are entering? In science one talks about significant digits. Digits that really mean something.

What, pray tell, do you need the others (how many) for? Are you worried about losing precision? At this level of precision, you can enter any number of arbitrary digits you want after the result calculated. It will not make the slightest bit of a difference (1 in 10 billion).

If you have a problem with too many zeros before the actual significant digits, use the scientific display format or the engineering display format. But I do not think it is the problem, because the calculator automatically reverts to scientific notation if the numbers are too small ot too large.

Hope it helps.
Thank you for using FixYa and for rating this solution.

Dec 03, 2009 | Casio FX-300MS Calculator

1 Answer

DISPLAYS 6.599743591E-4 - WHAT'S THAT?

I am as surprised as you are, but not by the number. Usually people who dare to handle this calculator know something about scientific notation and higher mathematics.
No matter. What is displayed is a number cast in scientific notation the format of which is as follow:
One digit| decimal mark| 0 to 9 decimal digits| E | a - sign, or no sign| one or more digits.

The part before the E is called the mantissa.
E is a shorhand notation for times 10 to the power
The rest is the exponent. The exponent can be negative or positive and the number between 0 and 99, except for some avanced HP calculators that can display numbers up to 1E 500.

Your number is
6.599743591 x 10^(-4) or 0.0006599743591

By the way, this is a fine calculator and still the top of the line of TI calculators for engineering, mathematics and science. Take good care of it.

Hope it helps.

Nov 04, 2009 | Texas Instruments TI-89 Calculator

2 Answers


Heres one called science tools and it has sig figs, vectors and unit conversions and one other.

Sep 06, 2008 | Texas Instruments TI-83 Plus Calculator

1 Answer


press shift and eng(to enter engineering mode) and you will find your answer inside.

Feb 21, 2008 | Casio FX-260 Calculator

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