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frontpageRed_Liz | Staff posted Yesterday 08:03 PM
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Item 1 of 4
frontpageRed_Liz | Staff posted Yesterday 08:03 PM

Texas Instruments Ti-83 Plus Graphing Calculator (Black)

+ Free Shipping

$45

$105

57% off
eBay
24 Comments 7,885 Views
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Deal Details
Bullseye Deals via eBay has Texas Instruments Ti-83 Plus Graphing Calculator (Black) on sale for $49.99 - additional $5 off $40 promo (automatically applies in cart) = $44.99. Shipping is free.

Thanks to Staff Member Red_Liz for finding this deal.

Features:
  • Upgradable operating system and software
  • Preloaded apps: StudyCards, Vernier EasyData and more
  • Compatible with TI-84 Plus and TI-84 Plus Silver Edition models
  • 4 x AAA Batteries Required (Included)

Editor's Notes

Written by SubZero5 | Staff
  • About this deal:
    • Our research indicates that this deal is $55 less (55% savings) than the next best available price from a reputable merchant with prices starting from $99.99 at the time of this posting.
  • About this product:
    • 1-year warranty
  • About this store:
    • 30 days returns. Seller pays for return shipping.

Original Post

Written by Red_Liz | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Bullseye Deals via eBay has Texas Instruments Ti-83 Plus Graphing Calculator (Black) on sale for $49.99 - additional $5 off $40 promo (automatically applies in cart) = $44.99. Shipping is free.

Thanks to Staff Member Red_Liz for finding this deal.

Features:
  • Upgradable operating system and software
  • Preloaded apps: StudyCards, Vernier EasyData and more
  • Compatible with TI-84 Plus and TI-84 Plus Silver Edition models
  • 4 x AAA Batteries Required (Included)

Editor's Notes

Written by SubZero5 | Staff
  • About this deal:
    • Our research indicates that this deal is $55 less (55% savings) than the next best available price from a reputable merchant with prices starting from $99.99 at the time of this posting.
  • About this product:
    • 1-year warranty
  • About this store:
    • 30 days returns. Seller pays for return shipping.

Original Post

Written by Red_Liz | Staff

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Top Comments

Raphy
778 Posts
162 Reputation
Wow - a laptop from 30 years ago would be worthless today, yet a virtually unchanged graphing calculator from 30 years ago is still the same price...

24 Comments

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Today 02:18 AM
687 Posts
Joined Dec 2008
frugal23Today 02:18 AM
687 Posts
No usb-c for charging....cum on?
Today 03:05 AM
212 Posts
Joined Jan 2017
sdskeesToday 03:05 AM
212 Posts
I'm a math teacher (teach high school during the day and college courses through calculus II as an adjunct), these things are barely worth it at this point. Yet they still sell new ones even! They're OK for lower level math classes in high school (algebra 1, geometry, algebra 2), but once you hit precalculus and calculus, you start running into features on newer ones that could be incredibly useful that just aren't on this. One class that I teach is AP Statistics, and with the way that statistical features have evolved on the newer calculators, these are very cumbersome to use in stats, with a lot of limitations and ways of entering things that even I can't keep track of.
I know some people will say things like "we have free things like Desmos and our cell phone to do this stuff on now." That's partially true. They even allow Desmos on AP exams and the SAT now. But Desmos has limitations as well, can be sort of cumbersome for some features, and it is unlikely that anybody would be able to use that on a test in a high school or college class. It just opens up way too many exam security risks. All three of the colleges that I've taught at in recent years actually have department policies that ban the use of online calculators, and require handheld ones.
Also worth noting, an even newer TI-84 is coming out in a few months, the TI-84 Evo. That would make this one even more outdated.
Today 03:17 AM
26 Posts
Joined May 2024
ThriftyGuitar8053Today 03:17 AM
26 Posts
You'll find much better deals on these on FB marketplace.
Today 03:19 AM
231 Posts
Joined Mar 2007
strikeoutkToday 03:19 AM
231 Posts
Our pre calc teacher during senior year high school gave us extra time during lunch to come back and finish our tests if we couldn't finish it during class. He said college wouldn't to do this, but he wanted us to do our best. I would write down the test questions/formulas into the calculator's notes section and ask my friends during the interim periods how to solve the problems and then go back to the test at lunch with the test answers from my friends. Not proud of it now but that's how I passed senior year pre calc.
1
1
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Today 03:25 AM
3,919 Posts
Joined Nov 2013
TrollingBy
Pro
Today 03:25 AM
3,919 Posts
Quote from gonehometodallas :
I wrote paragraphs of cheats on it.
My teacher kept asking what I was calculating on a history test.
1
Today 03:43 AM
541 Posts
Joined Apr 2021
YW55Today 03:43 AM
541 Posts
Quote from Raphy :
Wow - a laptop from 30 years ago would be worthless today, yet a virtually unchanged graphing calculator from 30 years ago is still the same price...
Wait until you find out how much they charge for college textbooks that are just a stack of paper.
1
Today 03:44 AM
163 Posts
Joined Aug 2014
zsk5Today 03:44 AM
163 Posts
Block dude!

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Today 03:46 AM
1,373 Posts
Joined Feb 2008
likenewToday 03:46 AM
1,373 Posts
I think I was required to get the 85 in the late 90s for geometry class or something. Wonder if I still have it somewhere. It had games on it that's what it was most useful for.
Today 04:03 AM
9 Posts
Joined Feb 2025
Butth0l3Today 04:03 AM
9 Posts
I still have and use my original TI-83 almost every day, mostly for basic calculator functions. It's over 25 years old!

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