Question about Texas Instruments TI-30X-IISTK Scientific Calculator

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TI 30X II S operation

Resolve problem: energy of photon whose freq is 3.0 X 10 to 12th pwr Hz?

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This is a not a calculator problem, it's a physics problem. You need the formula: E = hf, where f is the frequency and h is "Planck's constant" (6.626068 x 10^-34 m^2kg/sec).

On your calculator, punch in 3.0 [EE] 12 [x] 6.63 [EE] -34 to get the answer.

Posted on Jan 04, 2009

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How do i charge my TI-30X IIS calculator


You don't. The 30X IIs runs on both solar power and a 2025 lithium battery. If you need to replace the 2025 battery, see this.

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I bought it at a rummage sale and what a manual for it where can i get one? And is different from the TI 30X 11?


You can download the TI-30Xa guidebook from the manufacturer's web site at
http://education.ti.com/calculators/downloads/US/Guidebooks/Detail?id=6132

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The TI-30XII, introduced about five years later, is a significantly different calculator, incorporating, among other things, a two-line display.

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Apr 28, 2011 | Texas Instruments TI-30X-IISTK Scientific...

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I am trying to find the variance can this be found with the TI-30X II S I have the Texas Instruments TI-30 X II S on solar batteries, it has 2nd function but i am not sure how to find the summation for...


There is a quick guide here which should help http://education.ti.com/downloads/guidebooks/scientific/30xii/30xiiqrg-eng.pdf
So you press 2nd Function , select 1-Var or 2-Var (for paired datat) then enter your data pressing down arrow after each and Enter to finish then press STAT / VAR to see the various variables

Please give me a thumbs up if this helped

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Enter the number 3 then hit 2nd button then the ^ button(cubed root), enter the number under the radical sign then enter.

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I just bought a texas instruments TI-30X IIS Calculator. How do I reduced improper fractions with no mixed numbers. What keys do I press. For example: 3 6/8 X 7 1/3 = ? How do I find the answer?


if you want to use your calc for this you would have to put it in as the operations to change the mixed to improper fraction i.e. input exactly as "((8*3)+6)*((3*7)+1)="  remember?  take denominator times whole number plus numerator and put over denominator to convert from mixed to improper... hope this helps

Apr 08, 2009 | Texas Instruments TI-30X-IISTK Scientific...

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