new educational calculators from TI and Casio



#20

From the current issue of "Mathematics Teaching in the Middle School" published by National Council of Teachers of Mathematics.

Don't know anything about these, but they look interesting.


#21

Hi Don --

The new TI looks interesting. I'm guessing it's going to be a low-end version, but it seems to pack a pretty good punch. Tables, equations, what looks like good stats, etc. I bet it'll be under $49. I don't know that I would call this a competitor to the HP-35s, but it MIGHT indeed be just that. I like the "patterns" feature - that would be great in the lower-ed math systems.

However, I AM freaking out about one thing: it has an ENTER key, and no equals (=) key. ;-)

Oh, and look at the "order of operations" screen. IMHO, that's EXACTLY why we need HP models in the classroom. To have a screen that basically tells students that unless they get their parenthesis right, their result is bogus, stinks. Oh well...

The Casio is that model I was writing about last month on the forums here. It's impressive. Super clear display, great functions, and even has some brain-dead BASIC-like programming language. I think Katie was mentioning that it can be programmed fairly nicely. One of the replies was a download link for both the manual (PDF version) and also for a 30-day evaluation of the calculator for the PC.

Although the menu system is a nightmare (and cluttered too), it was fun to poke around on the calc and see what it can do. At $99 for the unit, with a $100 discount for educators, it's a steal. ;-)

thanks,
bruce

Edited: 6 Sept 2007, 12:25 p.m.


#22

Quote:
The new TI looks interesting. I'm guessing it's going to be a low-end version, but it seems to pack a pretty good punch. Tables, equations, what looks like good stats, etc. I bet it'll be under $49. I don't know that I would call this a competitor to the HP-35s, but it MIGHT indeed be just that. I like the "patterns" feature - that would be great in the lower-ed math systems.
...



Well, following the web links yields a price of $17.99 at Staples.


#23

Quote:
Well, following the web links yields a price of $17.99 at Staples.

It was actually $15.99 in the brick&mortar Staples in Titusville FL yesterday.
#24

Quote:
The new TI looks interesting. I'm guessing it's going to be a low-end version, but it seems to pack a pretty good punch. Tables, equations, what looks like good stats, etc. I bet it'll be under $49. I don't know that I would call this a competitor to the HP-35s, but it MIGHT indeed be just that. I like the "patterns" feature - that would be great in the lower-ed math systems.

Amazon has it for $16.99. And I've seen it at the local Walgreen's drugstore for... I think $19.99 or so.

-A

#25

Some at ITT have casio or other calculators where you type the equation in then press enter...

(3+5)*7 [enter]

and the answer appears on another line... 56

No RPN :^( no Equals key

Link to a picture of the casio? (nevermind.. I see it's part of the
PDF)

The casio is cool, a clamshell - wonder if it's programmable too.

Edited: 6 Sept 2007, 1:54 p.m.

#26

Hi Bruce. I was intrigued by both these calculators, so I went out and bought both of them today (TI at Walgreens, as one person suggested, and the Casio at Staples)! The TI is no threat to the 35S. It does not have any type of *solver*. You can assign any of 7 variables (like x) a value, and it will evaluate x squared + 3x + 4, but that's middle school for you.

I haven't opened the Casio yet, I'm just too tired and I need to prepare a lesson for my middle school kids for tomorrow.

#27

I love the Casio form factor. Too bad it isn't RPN tho... I'm not going back to algebraic.


Cheers.


#28

Quote:
I love the Casio form factor. Too bad it isn't RPN tho... I'm not going back to algebraic.

Cheers.


I thought the same as you at one time, but I was so intrigued by the Casio I bought one. Nice calculator. The state of the equation writers on todays calculators is so good that RPN has lost most of the advantage it might have once claimed. It took about 5 minutes to adapt to the AOS.

Yes it is programmable, but the included applications and functions almost obliviate any great need for programming.

Don W

Edited: 6 Sept 2007, 3:00 p.m.


#29

Quote:
Nice calculator.

And the backlit display is nice -- very crisp -- wish I had had one in our darkened optics labs.

#30

Quote:
I love the Casio form factor. Too bad it isn't RPN tho... I'm not going back to algebraic.
Cheers.

You could probably write your own if you were keen.
There is an open source FX9860G development system called Revolution FX:
http://revolution-fx.sourceforge.net/

It uses the very nice Renesas SuperH3 chip.

Presumably the SLIM model is the same hardware wise?

Dave.


#31

VERY interesting idea!

Certainly, it doesn't make the calc an HP, nor even barely acceptable, but it has a certain appeal. I wonder if Free42 could be ported to that platform. Now THAT would be cool! ;-)

I've heard the chip in this puppy is a screamer too...

thanks,
bruce


#32

Bruce, I bought a Casio calculator years ago and, as I recall, learning how to use it was anything but intuitive. Sad to say, the same is true for the fx9860g slim. This is not the type of calculator that you can just pick up and figure out without reading the manual, and the online manual needs to be paper, not electronic. I'm going to continue to try to figure it out, but I'm thinking at some point it won't be worth the effort. Makes me appreciate HP all the more.

#33

Yes, your presumption is correct. The FX-9860G Slim has the same hardware as the FX-9860G or the FX-9860GSD with SD-Card slot.

#34

i bought this casio on impulse at a local staples while i was waiting for the hp35s to arrive. i should have taken it back for a refund.

what a lousy calculator! buttons are scattered around and not grouped for function. the display, even for being so large, does not display near the information it should be able to. it's hard to find your way around in the menu system. i can't remember my other complaints--i worked my way through the manual over the course of a day or two and then put it aside thinking i'd revisit it later as there had to be more to this calc than what i initially discovered. i later decided that no, there wasn't any more to the calc, but by that time my return period had expired.

they sell a non-foldable model that seems to have all the same functions for less than 1/2 the price.

the ti one looks like it has a useful display. i'm sure i'll pick it up first one i see. i'm like that with calculators.

/guy

#35

It look nice and is interesting. It shame that HP not make one.


#36

Now that HP has learned how to make a classic looking machine again it's only a matter of time until they re-invent the 48g


#37

Quote:
Now that HP has learned how to make a classic looking machine again it's only a matter of time until they re-invent the 48g

I've got a nice hp 50g to replace any hp 48xx. Of course it could use some ballast. But, wouldn't you rather have a new 11c/15c/16c???

And while we're dreaming, how about an hp 35sgx+III that can put an hp 42s to shame? The enclosure is done. Great job. That's the expensive part. Now expand the software so it stomps everything in it's class. Give the programmers all the pizza and mountain dew they need and have 'em squeeze the living potential out of the hp 35s.


Cheers,
Pal


#38

Don't for get I/O. There was a reason why the 41CX, 71B, and 48-50 are so popular and have large amounts of code. Data and code can be shared. The 41/71/48/49/50 are more than calculators, they are application platforms.

The 50g has 4 different electronic bidirectional I/O methods (USB, Serial, IR, SD). Incredible. The 35s++ should be able to come up with just one.


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