sum in Reviews and Ratings

from Amazon.com

…I was surprised to find there was no direct way to add angles directly. You must convert all your angles to decimal degrees, add them up, and convert the sum back to degrees.minutes.seconds.… 193 more reviews »

from Amazon.com

… mad about it but office depot rep compensated me with a refund of a good sum. All in all the experience was very pleasing. Thanks Office Depot!… 725 more reviews »

from Amazon.com

…Previous reviewer summed it up - if you know how to use it...

This is an excellent machine. This is the second time I have purchased it - I changed jobs but wanted to take the machine…

from Amazon.com

…Previous reviewer summed it up - if you know how to use it...

This is an excellent machine. This is the second time I have purchased it - I changed jobs but wanted to take the machine… 7 more reviews »

from Amazon.com

… complex financial functions. One needs to remember to exit the worksheet when finished, however, or the calculator will produce nonsense when computing products, sums, etc.
An additional plus… 369 more reviews »

from Pricegrabber.com

… sums and integrals. Weaknesses: None- this is comparable to a graphics calculator without the graphics. Summary: I have collected graphics and scientific calculators for years… 56 more reviews »

from Amazon.com

… only because I prefer the key feel of the older models a bit better.

To sum it all up...If you get VERY lucky and find a good deal on the older (albeit non abused) 17BII, take it!

… 165 more reviews »

from Amazon.com

… reasonably lesser sum of around eighty five.

… 95 more reviews »

from Amazon.com

…-squared =25 then hit M+ as your first data point. Then call up the sum of the x= 625. Nasty surprise! In fact if you do any operation like that followed by any power or root, then hit M+ this calculator… 73 more reviews »

from Amazon.com

… the menu line. Example: For Sums->(sum of x*y). The '32 just lists 'xy' whereas the '33 you have to scroll to '(sigma)xy'. More readable, yes. Better, no... especially since they had two lines but only…

from Amazon.com

… the menu line. Example: For Sums->(sum of x*y). The '32 just lists 'xy' whereas the '33 you have to scroll to '(sigma)xy'. More readable, yes. Better, no... especially since they had two lines but only… 262 more reviews »

from Amazon.com

… the menu line. Example: For Sums->(sum of x*y). The '32 just lists 'xy' whereas the '33 you have to scroll to '(sigma)xy'. More readable, yes. Better, no... especially since they had two lines but only… 187 more reviews »

from Amazon.com

… test, t test, two sample test, chi square, Anova etc. An engineering package for Osculating circles, Rienmann sum, Curl, Divergence etc is also there, though I didn't find it of much help. However it has… 78 more reviews »

from Amazon.com

… quite a bit of semi-random button-pushing to do sigma-sums and factorials properly. Fortunately, I managed to get the hang of things with a bit of practice. Also, a few of the buttons can be a bit… 39 more reviews »

from Amazon.com

… graphing, 16 preloaded apps (helps a hell of a lot), and...it can be used on the SAT.

What more can I say? If you want me to sum up my rant, then: the TI-89 Titanium is the best portable… 468 more reviews »