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Calculator Tutorial - Intro to the TI-30XIIS
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- Опубліковано 18 сер 2024
- In this video, I go through the basic functions of the Texas Instruments TI-30XIIS scientific calculator. This scientific calculator, which features an equation operating system, has been the standard for Algebra courses for almost two decades. I go through the following calculator functions: negative signs, editing expressions, memory, number and angle modes, exponents, radicals, scientific notation, basic trigonometry, and pi.
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thank you so much for this tutorial. i have had this calculator for years ever since high school, now going onto undergrad physics, and ive wanted to learn what the other buttons do. thanks for showing the FLO, SCI, and ENG buttons! they really help
If you are going into undergrad physics, I would invest in a TI-83 or 84, any variant of those.
Very clear, concise, well paced and presented!!
Glad you enjoyed it!
You are awesome. I didn't know how to do the inverse trig functions and couldn't find the answer anywhere till I saw you video. Thanks alot.
You are welcome 🙏🏻
This was very helpful that's for helping me understand how to use my calculator 🙏🏻
You are very welcome 🙏🏻
Thanks for this, I've had this calculator for 5 years now and I didn't know all this.
Great, glad to teach you something new!
Great video. I've been using my TI-30XIIS for years, and I love its intuitive key and function layout. But there is one very important caveat, concerning negative number entry: If you enter, say "1 + -5^2" it will give "-24" (not the correct "26").
The calculator recognizes the "5^2" but does not apply the negative sign until the end! BEWARE OF THIS, because the TI-30 does this with all exponential functions performed on negative numbers that are entered "live". To work around this, you need to enter "-5" FIRST, and press "=", and only THEN continue with "1 + ANS^2".
Alternately, you could add parentheses: "1 + (-5)^2" also gives the correct answer. It's a minor issue, but it can really mess with your head, (and your answers!), in entering quadratic equations, if you aren't aware of it.
Many calculators make you enter a number first, BEFORE pressing a "+/-" key, and then its negative status is immediately applied. This works better, I think, so I hope the good folks at TI are listening.
Isn't there a difference between -5^2 and (-5)^2 in the first place? -5^2 is when you do 5*5, then apply the negative sign in front to get -25. (-5)^2 is when you do -5*-5, which gives you 25.
The Texas Instrument's TI 30x iis scientific calculator is a nice item to have in any emergency or just for everyday use. It has many features, including a scientific and engineering mode. As well as a square root feature and many other functions, this calculator is good to have for the price. They're durable and reliable. They'll last for many years.
Well said. I like you username, BTW.
I was going to ask U A question but I found my answer in the comment section, plus some other useful information. Definitely a 👍video.
Excellent explanation! Thank you!
You're welcome
Thank you for creating this video. I'm so much more confident now.
Glad to hear that!
Dude thank you for putting this video out, had no clue how to use this bad boi.
Glad I could help
Really helpful! thanks so much
You are welcome
Hello, great video. I need to know how to calculate scientific notation with 10 raised to a negative exponent. Thank you very much for the great tutorial.
I am so happy I finally understand now yeek!!
That’s great, good to hear!
Thank you so much!
dude, you saved me
Thank you!!!
You are welcome 🙏🏻
thank you so much!
This video was so helpful, thank you very much!!!
You are welcome
is there a way to use sigma notation on this calc??
Do you have video to show full statistics capabilities with this calculator? I am trying to find how to perform norm distribution (or z values). I see there is RP shift icon which I am assuming is to find area under Right (R) or Left (P). Not sure how to implement that. Thanks!
Can you do cube roots on this calculator ?
Yes, type of three, and then press the second button, followed by the carrot button (^)
I use this calculator for trigonometry works great for the six trig functions. but I wished it would give me fraction answer instead of only decimal.
Most of the time, the answer to those trig evaluations are irrational, so they actually cannot be written as fractions.
Tutor Terrific, what are the commas for and what do they do? Whenever I use them for something like "1,000,000 + 1,000" I get "SYNTAX Error." What are they for and what is the correct way to use them?
Do not use the commas when entering large numbers. Enter those numbers without the commas that you would use if you were writing them on paper. For example, enter 1 million as 1000000.
The commas are used in the statistics features of the calculator, as far as I know.
Thanks for this 💪 great tutorial
Appreciate the support!
Is there a way to root over a number from a previous calculation without having to clear the calculator and put in the number again? Anyways, thanks for this, very good tutorial.
simple, 2nd x^2 2nd (-) then click enter
Very cool
Glad you liked it!
What is the memvar button do and why is there only 5 letter
Do you help with polynomial expressions
on this caculator
hello tutor,
how do I input this on my calculator? 4x-5=23. ?
thank u
These calculators don't solve algebra equations.
1. Add 5 to both sides of the equation.
You will have 4x=28
2. Divide both sides by 4.
You will have x=7
Done.
Thanks for the tutorial! Is there a way to find the GCF for multiple numbers??
You’re welcome! I’m not sure this calculator has that ability. Wouldn’t that be nice! I can show you how to do that by hand if you’re interested.
My friend has one of these TI-30XIIS. I have a TI30XA.
My x root of y is used with the y entered first.
His X root is used with the x entered first.
I have used TI calculators for 50 years, and this is my first complaint
Ah, yes. The algebraic operating system (yours) vs. the equation based operating system (his).
@@TutorTerrific thanks!
Brilliant
Thank you for the kind word!
Hi Tutor, do you explain logarithms on this calculator on any videos?
I only have this one video on logarithms, but I can do a general tutoring video on them if you would like.
Thankyou
You're Welcome
Can you calculate covariance (with 2 variables) with this calculator
By that, do you mean making a 2 column table for bivariate data and analyzing the bivariate stats, such as the correlation coefficient?
@@TutorTerrific Yes.
You can calculate 2-var stats on this calculator, but it is very cumbersome. Either of the Multiview calculators make it much easier.
@@TutorTerrific I figured it out--- there is a 2 vars stats button that gives me the correlation coefficient
How do I change a decimal number into a fraction and a fraction into a decimal number on this calculator?
Per fraction to decimal, all you have to do is and put the fraction with the numerator and denominator separated by the division sign, and press enter. It will automatically convert it into a decimal. I do not believe this particular can do the opposite.
How do I input 1 over 0.04 square 2 ?
1 / (0.04^2)
How does the calculator do friction loss equations ?
What do you mean by “friction loss”?
Can you add large linear dimensions (20'-7-7/8) type numbers to another (2'-5-5/8)
Wait, are those 20 feet and 7 and 7/8 inches and 2 feet and 5 and 5/8 inches? I don’t think this particular calculator can decipher multi dimensional measurements. You would have to convert to either to feet in decimal or inches in decimal for both numbers.
And i thought this calculator was old school LOL
Pilot, it totally is!
Is there a factorial function?
There is! Click on the PRB button, and select the ! on the right.
Can you turn a number into a decimal with this calculator ?
Yes you can, if you have a fraction, type in the numerator, then the division key, then the denominator, and press enter. For square roots, type the square root key and then type what is inside the square root, then press enter.
Ik that this isn't math related but this guy sounds like CoconutRTS.
I will have to look up that user :)
How to disble ans option .
does anyone know how to solve linear equations on this calculator?
can you give an example
Why does my calculator only go to four decimal places?
Can I solve quadratic and cubic equation??
Not on this calculator, sir. You will have to solve those equations with good old algebra techniques.
Someone drop time stamps please!
How to find a result in terms of pi! like tan(sqrt of 3) is pi/3. how do i find this on the calculator?
Are you talking about evaluating inverse trig functions, like tan-1(sqrt3)?
@@TutorTerrific Not only inverse! I'm jst trying to find the result in pi but not decimals
how to evaluate integral by this calculator?
That is not possible to do on this calculator.
@@TutorTerrific thanks, i was looking for a definite answer
Do you tutor online through Zoom?
Yes I do, I own and operate my own private tutoring business. Almost all tutoring is through zoom right now due to Covid.
16:05 16:12 16:14 16:14 16:14 16:15 16:15
Dude, what is this comment?
can you get the x intercepts with this calculator
No you cannot, you will need a graphing calculator for that: TI83, TI84, or TI inspire
why would I get this when I can get a ti-81 used for $10-15
TI 81? Those are so old! No one uses those anymore and you would e hard pressed to find someone who could help you with it. Also, lots of classes don't allow graphing calculators because graphing needs to be done by hand.
@@TutorTerrific The manual is free online, and they're definitely better than anything in the ti-30 series. By "a lot of classes" I'm assuming you mean before Algebra 2, which I'm not talking about
I just need to know how to use the percentage sign!! Help! Lol
Ha ha! The percentage sign is written right after a number, which will essentially just divide the preceding number by 100. So, if you type in 3% and press enter, you should get .03
Yeah but can it run doom?
Only the best Dooms, for the memes, the dankest of memes.
@@TutorTerrific epic
Where is the reset button?
Reset what? Are you trying to clear your memory?
@@TutorTerrific Oh nevermind, I was planning to buy this calculator because I lost mine but it turns out my friend accidentally took it
Bro how do I type x into the calculator I hate algebra
Hi, how do I take my calculator off fix mode
Isaac Vargas You would need to reset the calculator. To do that you would press the 2nd button and 0. Your screen would then say “RESET: N Y”, which you would select N by pressing the right arrow. Press ENTER and your memory will be cleared, you can just press the clear button to start using it again.
How do you do fractions?
I use parentheses and the slash feature: (n/d) I know it is a little clunky, but it works.
your video is confusing trying to review is there a way you can show to do fractions and do problems to show how it can be done please.
To input fractions on this little calculator, you have to do it and old-fashioned way. There’s no special math type view, so fractions have to be input like this: (numerator/denimonator). So, for example, you need to write (2/5) to input “two fifths”. If either your numerator, denominator, or both have multiple numbers added or multiplied together, you need to put in each in a separate set of parentheses so as not confuse order of operations on the calculator. For example (3/(2x5)) would calculate “three divided by two and 5 multiplied together”
@@TutorTerrific This confuses me there is a way to do it on this calculator when I was in college, but I forgot there is way.
@@lval05 ua-cam.com/video/zJoV_4cmLBo/v-deo.html
Can you do Binomial expansion on this calculator
You can compute the coefficients using nCr, but that’s about it.
Thank you
Well of course it’s through zoom absolutely can you please send me your contact info
h a a cademi c so lutions @ gm ai l.c om
Sorry, had to send it that way so that no bots or spammers would find it. Remove all the spaces ;)
(2x + 4y)-(-x+3y)
If you are asking me to help you simplify this, start by removing parentheses correctly (distribute the minus sign) and then combine like terms: 2x + 4y + x - 3y
answer: 3x + y
Mine say santex!!!!
Lol, you mean "syntax error"?
You need to check in what you are typing, do not interchange the minus sign with the negative sign, for example. Do not type ")" if you have not already typed "("
Thanks sir .after writing comments ,Ijust reset my calculator and it works .your instruction were perfect . Thank you so very much. I'm from pakistan.
You are welcome
why do people fail math if they can use a calculator??
Well, from a teacher standpoint, which I have, calculators cannot save you when you are I'm sure it's a procedure that you must know. While a calculator can complete some message for you, It cannot complete problems from start to finish on its own.
@@TutorTerrific makes sense
This calculator is the reason an entire generation is bad at math. They wouldn't let us solve problems in our heads they had to make the calculator do it.
This one, specifically? No, it's the parents' and teachers' reliance upon all the TI, Casio, and the other calculators, all the way from four function to graphing, that have done this. Since posting this, I've switched to classical model of education, and no calculators are allowed to be used all the way up to seventh grade, where they can be introduced for very specific things only.
Pleasseeeee lol
Greatly explained, very much appreciated...
You are welcome.
Do you tutor online through Zoom ?
Yes I do
@@TutorTerrific two years later lol I know it’s not your fault but I’ve already given up my masters degree because I couldn’t pass the praxis in the math. It was ridiculous what they wanted elementary teachers to learn. I made a video about it but then I deleted it I sent it to school board presidents, and county commissioners but I never got a response.
I'm sorry to hear this, but you are right that it is ridiculous, especially considering with the average elementary public school class in this country actually looks like on a day-to-day basis. If you ever decide to get back into it, I have spots available during the week in the evenings.
@@TutorTerrific yes I could not pass the Praxis 5003, but I passed all the other ones I’m in the middle of my disability case but thank you anyways