Does the TI 84 have any substantial advantages over this one that are worth the price difference?
1123571
From a purely technical standpoint, the prices should be reversed (and both prices halved or quartered). I think the Casio is superior in many ways. However, as some commenters have noted, you have to be careful if a class requires a particular make/model calculator, and some textbooks have key-by-key walkthroughs that are TI-oriented for completely commercial (not quality or educational) reasons.
1123572
For my money, NO. Their are many different models of the TI-84. Currently, for example, it is available with a back-lit screen and high definition graphing, and it comes in a variety of attractive colors. Also, it can display mathematical expressions as they appear on paper. For example, the square root of 8 places the '8' directly UNDER the square root radical rather than placing '8' in parentheses directly AFTER the radical. For me, that, and similar expressions, is not worth paying double money! Another consideration, the CASIO, for example, can perform the four calculator operations defined by the Test Development Committee for the AP Calculus examination: produce a graph, find the zeros, calculate the derivative, calculate the integral. I find the CASIO both faster and more user friendly for these and other operations. (Some other reviewers disagree.) The Casio, when each pixel on the screen is set to 0.1, graphs from -6.3 to 6.3; the TI only graphs from -4.7 to 4.7. This means that the CASIO can graph two full cycles of the trigonometric functions such as the sine and cosine. There is more that could be said. But I have known several people who were glad they bought the CASIO. I would be pleased to hear about your opinion at the end of the coming school year if you decide to buy the CASIO.
1123573
Honestly, when I used it in class this year... I thought no, and I totally saved some money.
2184288
ispring tds-3 is of better value as it has temperature compensation feature. The results have always been consistent for me.
1944204
Casio is much more intuitive Find Ti relatively clumsy. However many courses are wedded to Ti. Ti is a little faster but you would need to be very impatient to notice. Have a look at HP prime, lightning fast, cheaper, more powerful but not really tailored so well to education as the other two are and a steeper learning curve.
2229413
If you havn't already made a decision, here are 2 thoughts: 900 has the smaller keyboard which will be ok for your 8 y/o. and weight is ~1/2 pound less. The 904ha has longer battery life and better webcam. All in all, with price savings and lighter smaller formfactror I'd go with the 900ha for my tech savy 8 yo if I had the money. As it is, I only have $ for mine for work. But I do plan on letting my boys (6 and 9) work on it too for homework.
1852947
It depends on the calculator. I'm a teacher, and mine lasts a long time between charges, perhaps a month or two, but a couple of my students' calculators do not seem to hold a charge very well at all. I've charged their calculators for them, and they still went dead a day later, so it's not just that the student forgot to charge it. The non-color TI-84s lasted almost a year on one set of alkaline batteries, and frankly I would prefer alkalines over the rechargeables.
1339501
I think there is no difference. It depends on the price. You will be able to choose better one for you. Good luck.
1324365
My son uses it. But a quick search found this... http://www.environsupply.com/product/m5-pc-ti83-ti-83-calculator/
1644886
The only online comparisons seem to be by the distributors of Product B so it's hard to know if the information is reliable. I am interested as well as I have only used TA 65
1044392
I believe it is a separate purchase. I was pretty satisfied with it, although I personally think I could have designed it better. I propped it up additionally to optimum configuration, but overall it worked well. I had my calculus book (hardback) on the left; I'd work problems on paper on the right; Upper left was the full-size paperback solutions manual; Upper shelf right I had the TI-84 plus manual and/or the calculator itself. Talk about a workstation.
83942
I own the 880 and from what I can tell so far, the only difference is the touch screen. However, I am not sold on the touch screen yet. It appears that the LCD display on the 880 is just as big, but it has buttons along the side of the screen that allows you to select the option on the screen instead of actually pressing the screen. The advantage to that is that you can have more options on one screen. There are 8 buttons (4 on each side) for the 880. When I look at pictures of the Advance One, it looks like you are limited to 4 options on a single screen due to the fact that you need room to actually press the option on the screen with your finger. Some may like that, but it could be a slight disadvantage. The 880 does not have RF capability, but the 890 does. In case you don't know, the 890 is the same as the 880 except for the added RF capability to communicate with devices that are not in your line of sight. I would be interested to know if the Advance Once does have RF. If it does, then that is also an advantage over the 880. Other than that, the 880 is very easy to use and comes with the same software. It is also very ergonomic and easy to hold.
1948933
Honestly I don't see much difference. I have the 845 and I love it. It is easy to set up and I can print from my iPad, iPhone, and laptop via wireless. The machine is really a WF.
1944206
It is a personal choice. The TI calculators are used much more in American text books. So, you may want to use the nspire.
1608244
Casio FX115ES Plus is more convenient to use compared to TI-36X Pro Scientific Calculator as far as my experience with both calculators.
1550549
Easily. Most people don't use these calculators to their full capacity. The other model is nicer to look at and probably a tad easier to use. Both should have the same capabilities.
1542386
I have been an HP calculator fan since my HP41C. I have both the prime and 50g calculators and I also am an engineering professor at a community college. The Prime is faster, cheaper and has desirable features like a bright, color touch screen. It's solver and graphing capabilities is blazing fast and easy to use. I prefer the 50g for some things and hope that future version of the operating system for the Prime might improve in these areas. For working with units and unit conversion, the 50g is more useful. On the Prime, similar capabilities are buried a little deeper in the menu structure. The prime does not seem to have grown as large a variety of user apps as is available with the 50g. I miss the equation library found on the 50g. Math input with a math appearance is very helpful instead of the one line input line on the 50g (equation writer is a separate method and not as easy to use as the prime). Another consideration for educators is that the prime's emulator works well with showing students the use of the calculator. I have also used the TI-89 and still find it is overall the best engineering calculator, even better when one uses apps like MePro, but it is showing its age. The newer TI Nspire CAS models are not as useful for engineering work and the prime easily beats these models.
649141
Yes, mine was! Also the extra free module to turn it into a TI-64 calc is a great deal!
1406521
well, if you shop around at the same places it really doesn't sell for less in the real market, it sells for about the same, but the main reason, just like why the ti-83 sells for way above what it should be selling for considering the software is like 10 yrs old or even older, is that ti has their foot planted solidly in the college market, which in my opinion is really corrupt, because these colleges only use the ti's in the math classes, you can use other graphing calc's like casio, which are just as good, but the schools don't support or give instructions using these other calcs, which they should be, talk about corrupt, wow. the ti-84-C calc is the same as the silver except it has a color screen which is really nice, now don't get me wrong, this ti is nice, and I like it, and this is the calc that you can get all the programming info off the web to program it, the casio fx cg10 is every bit as nice if not nicer (a few extra's on it, and also a color screen) and priced at the same if not cheaper, which you can also use in the colleges, so if you understand calculators you'd be fine buying one of the casio's, either way, they're both great, and I have the three of the casio's calc's and three of the ti's, I kind of collect them, I guess, like a golfer collects golf clubs.............LOL. I even have the HP calc, but you really don't want to buy this calc for school, it's all business and you really do have to fully understand graphing calculators to use the HP graphing calc.