Question about Texas Instruments TI-30XA Calculator

# I have a ti-30xa and need to convert metric t standard or other way around

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### MiB8888

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Sorry, the TI-30XA does not offer unit conversion functions other than angle units. The best thing you can do is to get the conversion factor from a table in a book, or look it up in the internet, and store it into one of the three M memory places of the calculator.
Use the memory recall and divide or multiply to convert.

Example: Convert metric tons (Mg) to international avoirdupois pound (lb), and vice versa. Conversion factor is:
1 lb = 453.5937 Mg.

• Key in 453.5937 [STO]  to put the conversion factor in memory 0.
• To convert 17 Mg to lb, key in: 17 [÷] [RCL]  [=].
• To convert 5 lb to Mg, key in: 5 [×] [RCL]  [=].

Posted on Jan 16, 2011

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× ## Related Questions:

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If you mean the standard deviation, there are two shifted keys on the third row marked with a lower-case Greek sigma. sigma_xn is the population standard deviation and sigma_xn-1 is the sample standard deviation.

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Press 2nd then F--D key(its means left arrow key or left key from zero)

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The TI-30Xa does not have a statistics mode. That statistics operations are available at all times, just like addition and subtraction. Just enter the data with Sigma-plus and then calculate the desired statistics---mean, standard deviation, and so forth.

Full details are in the "One-Variable Statistics" section of the guidebook (page 9 in my copy). If you need the guidebook, you can download one from

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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

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### How to convert Metric tons to long tons

To my knowledge the TI-83 doesnt do conversions.

1 metric ton = 0.984206528 long tons, so if you just multiply that number by the number of metric tons, you will get your converted number.

Sorry there isnt a built in parameter to my knowledge. If you upgrade to the TI-85, I believe you start to get some of that functionality!

### Need to calculate correlation coefficient...can this be done using a TI-30XA?

No this calculator only seems to be able to do Sum, Mean and Standard Deviation.

### 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.

### How to convert a normal ANSWER to scientific

It's been a while since my TI calculator died, but I think you can just hit EE (may be "exp" on your model) followed by =.

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