Based our analysis and observation, there is 35.00% chance that the price of Texas Instruments TI-89 Titanium Graphing Calculator packaging... will decrease. Price of product might fluctuate around 3% from current price.*
Price History Graph
Offer PricePrices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of Texas Instruments TI-89 Titanium Graphing Calculator (packaging may differ) here. This product's current Price in USA is $79.99. The average and highest prices are $118.97 and $219.89 respectively.
Lowest Ever Price
$5.01
15th Oct 2016
Average Price
$118.97
Based on 4239 days price tracking
Highest Price
$219.89
30th Jan 2026
Current Price in USA
Price
$79.99
Recent Price Drops on Texas Instruments TI-89 Titanium Graphing Calculator (packaging may differ)
Price Drop25th Mar 2026
$79.99→$50.00
37.49% drop
Price Drop20th Mar 2026
$188.88→$79.99
57.65% drop
Price Drop8th Feb 2026
$219.89→$188.88
14.1% drop
Price Drop26th Jan 2026
$179.99→$149.99
16.67% drop
Price Drop11th Jan 2026
$179.99→$149.99
16.67% drop
Price Drop20th Dec 2025
$179.99→$134.99
25% drop
Price Drop17th Dec 2025
$179.99→$129.88
27.84% drop
Price Drop14th Dec 2025
$195.00→$179.99
7.7% drop
Price Drop2nd Dec 2025
$195.75→$170.29
13.01% drop
Price Drop24th Nov 2025
$198.00→$170.29
13.99% drop
Price Drop22nd Nov 2025
$79.08→$74.97
5.2% drop
Price Drop18th Nov 2025
$199.99→$74.81
62.59% drop
Price Drop6th Nov 2025
$200.00→$129.88
35.06% drop
Price Drop6th Oct 2025
$165.35→$145.00
12.31% drop
Price Drop6th Oct 2025
$145.00→$129.88
10.43% drop
Price Drop9th Sep 2025
$167.99→$134.99
19.64% drop
Price Drop2nd Sep 2025
$159.99→$129.88
18.82% drop
Price Drop26th Aug 2025
$167.99→$129.88
22.69% drop
Price Drop23rd Aug 2025
$168.06→$129.88
22.72% drop
Price Drop5th Aug 2025
$170.29→$129.88
23.73% drop
Price Drop30th Jun 2025
$145.95→$129.88
11.01% drop
Price Drop19th Jun 2025
$129.88→$120.00
7.61% drop
Price Drop15th Jun 2025
$145.95→$129.88
11.01% drop
Price Drop18th May 2025
$145.95→$134.99
7.51% drop
Price Drop18th Mar 2025
$114.88→$108.88
5.22% drop
Price Drop10th Mar 2025
$128.88→$114.88
10.86% drop
Price Drop22nd Feb 2025
$119.99→$80.15
33.2% drop
Price Drop6th Feb 2025
$122.99→$95.99
21.95% drop
Price Drop26th Nov 2024
$119.99→$104.99
12.5% drop
Price Drop14th Nov 2024
$119.00→$100.00
15.97% drop
Price Drop25th Oct 2024
$129.99→$119.99
7.69% drop
Price Drop22nd Oct 2024
$127.98→$119.99
6.24% drop
Price Drop18th Oct 2024
$127.99→$100.00
21.87% drop
Price Drop21st Sep 2024
$132.99→$119.99
9.78% drop
Price Drop10th Sep 2024
$131.00→$119.99
8.4% drop
Price Drop30th Aug 2024
$129.95→$119.99
7.66% drop
Price Drop23rd Aug 2024
$119.99→$100.00
16.66% drop
Price Drop28th Jul 2024
$114.99→$105.95
7.86% drop
Price Drop8th Jul 2024
$126.99→$114.99
9.45% drop
Price Drop28th Jun 2024
$121.99→$100.00
18.03% drop
Price Drop10th May 2024
$128.00→$117.92
7.88% drop
Price Drop22nd Mar 2024
$109.99→$100.00
9.08% drop
Price Drop4th Mar 2024
$117.95→$109.99
6.75% drop
Price Drop21st Feb 2024
$120.00→$110.00
8.33% drop
Price Drop7th Feb 2024
$129.99→$114.50
11.92% drop
Price Drop15th Jan 2024
$124.97→$110.00
11.98% drop
Price Drop8th Jan 2024
$130.99→$117.95
9.95% drop
Price Drop26th Nov 2023
$114.99→$100.00
13.04% drop
Price Drop3rd Nov 2023
$118.98→$110.00
7.55% drop
Price Drop1st Nov 2023
$118.98→$111.98
5.88% drop
Price Drop19th Oct 2023
$118.00→$108.84
7.76% drop
Price Drop3rd Oct 2023
$115.95→$100.00
13.76% drop
Price Drop1st Oct 2023
$124.00→$115.95
6.49% drop
Price Drop11th Sep 2023
$127.76→$110.00
13.9% drop
Price Drop19th Mar 2023
$96.99→$91.99
5.16% drop
Price Drop16th Mar 2023
$105.95→$96.99
8.46% drop
Price Drop2nd Mar 2023
$105.95→$96.99
8.46% drop
Price Drop23rd Feb 2023
$105.95→$96.99
8.46% drop
Price Drop8th Jan 2023
$105.95→$100.00
5.62% drop
Price Drop6th Jan 2023
$105.95→$100.00
5.62% drop
Price Drop1st Dec 2022
$130.99→$114.50
12.59% drop
Price Drop19th Nov 2022
$128.00→$118.75
7.23% drop
Price Drop2nd Nov 2022
$138.00→$130.99
5.08% drop
Price Drop22nd Oct 2022
$139.75→$126.99
9.13% drop
Price Drop17th Oct 2022
$139.75→$130.99
6.27% drop
Price Drop13th Oct 2022
$139.75→$130.99
6.27% drop
Price Drop4th Oct 2022
$130.99→$104.13
20.51% drop
Price Drop13th Sep 2022
$119.95→$79.99
33.31% drop
Price Drop29th Aug 2022
$107.00→$79.99
25.24% drop
Price Drop23rd Mar 2022
$95.00→$90.00
5.26% drop
Price Drop20th Sep 2021
$114.95→$105.00
8.66% drop
Price Drop3rd Sep 2021
$122.00→$105.00
13.93% drop
Price Drop29th Jun 2021
$130.00→$122.70
5.62% drop
Price Drop26th May 2021
$129.99→$119.95
7.72% drop
Price Drop18th May 2021
$125.99→$115.00
8.72% drop
Price Drop5th May 2021
$125.95→$114.52
9.08% drop
Price Drop19th Apr 2021
$130.00→$119.00
8.46% drop
Price Drop15th Apr 2021
$130.00→$110.00
15.38% drop
Price Drop31st Mar 2021
$129.00→$120.00
6.98% drop
Price Drop14th Mar 2021
$129.94→$114.99
11.51% drop
Price Drop6th Feb 2021
$115.00→$109.00
5.22% drop
Price Drop29th Jan 2021
$109.95→$99.99
9.06% drop
Price Drop27th Jan 2021
$125.00→$109.95
12.04% drop
Price Drop23rd Jan 2021
$125.00→$109.95
12.04% drop
Price Drop15th Jan 2021
$125.00→$115.00
8% drop
Price Drop12th Jan 2021
$129.94→$118.01
9.18% drop
Price Drop1st Jan 2021
$125.00→$118.01
5.59% drop
Price Drop19th Oct 2020
$125.99→$115.00
8.72% drop
Price Drop13th Oct 2020
$129.94→$109.99
15.35% drop
Price Drop23rd Sep 2020
$129.94→$116.01
10.72% drop
Price Drop26th Aug 2020
$121.99→$115.00
5.73% drop
Price Drop3rd Jul 2020
$125.99→$115.00
8.72% drop
Price Drop12th Jun 2020
$90.00→$37.00
58.89% drop
Price Drop29th Feb 2020
$99.95→$90.00
9.95% drop
Price Drop9th Feb 2020
$105.96→$99.95
5.67% drop
Price Drop20th Jan 2020
$108.12→$94.88
12.25% drop
Price Drop20th Nov 2019
$108.95→$89.99
17.4% drop
Price Drop25th Oct 2019
$104.85→$89.99
14.17% drop
Price Drop15th Oct 2019
$89.99→$84.99
5.56% drop
Price Drop13th Oct 2019
$99.99→$89.99
10% drop
Price Drop24th Aug 2019
$101.95→$90.00
11.72% drop
Price Drop17th Aug 2019
$104.95→$99.00
5.67% drop
Price Drop7th Aug 2019
$109.95→$102.99
6.33% drop
Price Drop5th Aug 2019
$121.00→$109.95
9.13% drop
Price Drop14th Jul 2019
$119.95→$104.95
12.51% drop
Price Drop7th Jun 2019
$119.95→$108.95
9.17% drop
Price Drop25th May 2019
$119.95→$104.95
12.51% drop
Price Drop19th May 2019
$124.00→$101.95
17.78% drop
Price Drop30th Apr 2019
$104.90→$64.95
38.08% drop
Price Drop19th Apr 2019
$109.95→$103.98
5.43% drop
Price Drop7th Apr 2019
$123.99→$109.95
11.32% drop
Price Drop11th Mar 2019
$124.00→$109.95
11.33% drop
Price Drop3rd Mar 2019
$122.50→$109.95
10.24% drop
Price Drop26th Feb 2019
$124.00→$109.95
11.33% drop
Price Drop20th Feb 2019
$124.00→$109.95
11.33% drop
Price Drop18th Feb 2019
$124.00→$109.95
11.33% drop
Price Drop4th Feb 2019
$120.00→$107.77
10.19% drop
Price Drop13th Sep 2018
$132.30→$122.99
7.04% drop
Price Drop5th Aug 2018
$134.35→$124.99
6.97% drop
Price Drop29th Jul 2018
$139.95→$124.99
10.69% drop
Price Drop28th Jul 2018
$155.00→$139.95
9.71% drop
Price Drop23rd Jul 2018
$153.99→$144.99
5.84% drop
Price Drop19th Feb 2018
$139.99→$119.99
14.29% drop
Price Drop10th Dec 2017
$123.45→$109.99
10.9% drop
Price Drop26th Nov 2017
$123.99→$110.49
10.89% drop
Price Drop19th Aug 2017
$125.45→$101.20
19.33% drop
Price Drop9th Jul 2017
$134.38→$120.00
10.7% drop
Price Drop1st Jun 2017
$134.38→$112.00
16.65% drop
Price Drop18th Feb 2017
$124.95→$110.95
11.2% drop
Price Drop23rd Jan 2017
$134.85→$126.89
5.9% drop
Price Drop15th Jan 2017
$126.99→$119.99
5.51% drop
Price Drop26th Nov 2016
$119.71→$107.94
9.83% drop
Price Drop7th Nov 2016
$85.00→$9.99
88.25% drop
Price Drop5th Nov 2016
$9.99→$8.59
14.01% drop
Price Drop3rd Nov 2016
$110.00→$9.99
90.92% drop
Price Drop31st Oct 2016
$118.79→$110.00
7.4% drop
Price Drop19th Oct 2016
$118.79→$94.93
20.09% drop
Price Drop13th Oct 2016
$70.00→$5.08
92.74% drop
Price Drop11th Oct 2016
$68.99→$50.00
27.53% drop
Price Drop9th Oct 2016
$100.00→$68.99
31.01% drop
Price Drop6th Oct 2016
$100.00→$95.00
5% drop
Price Drop4th Oct 2016
$104.98→$95.00
9.51% drop
Price Drop2nd Oct 2016
$118.00→$109.99
6.79% drop
Price Drop17th Sep 2016
$120.00→$99.07
17.44% drop
Price Drop13th Sep 2016
$124.99→$108.00
13.59% drop
Price Drop1st Sep 2016
$119.99→$78.00
34.99% drop
Price Drop29th Aug 2016
$122.95→$114.99
6.47% drop
Price Drop21st Aug 2016
$119.00→$109.99
7.57% drop
Price Drop15th Aug 2016
$115.00→$77.95
32.22% drop
Price Drop27th Jul 2016
$109.99→$103.98
5.46% drop
Price Drop16th Jun 2016
$121.00→$114.00
5.79% drop
Price Drop6th Jun 2016
$118.78→$110.00
7.39% drop
Price Drop2nd Jun 2016
$118.67→$98.67
16.85% drop
Price Drop31st May 2016
$100.00→$74.75
25.25% drop
Price Drop30th May 2016
$118.92→$100.00
15.91% drop
Price Drop25th May 2016
$119.95→$95.00
20.8% drop
Price Drop15th May 2016
$95.00→$88.80
6.53% drop
Price Drop12th May 2016
$99.33→$73.99
25.51% drop
Price Drop9th May 2016
$98.49→$89.99
8.63% drop
Price Drop25th Apr 2016
$99.93→$78.95
20.99% drop
Price Drop22nd Apr 2016
$109.00→$99.35
8.85% drop
Price Drop20th Apr 2016
$119.00→$109.00
8.4% drop
Price Drop16th Apr 2016
$99.99→$90.00
9.99% drop
Price Drop15th Apr 2016
$119.00→$99.99
15.97% drop
Price Drop1st Apr 2016
$112.11→$99.99
10.81% drop
Price Drop15th Mar 2016
$105.99→$95.00
10.37% drop
Price Drop8th Mar 2016
$113.12→$95.00
16.02% drop
Price Drop7th Mar 2016
$113.12→$95.00
16.02% drop
Price Drop17th Feb 2016
$113.32→$105.00
7.34% drop
Price Drop2nd Feb 2016
$128.88→$105.00
18.53% drop
Price Drop20th Jan 2016
$109.96→$89.90
18.24% drop
Price Drop19th Jan 2016
$119.99→$109.96
8.36% drop
Price Drop16th Jan 2016
$124.98→$110.00
11.99% drop
Price Drop4th Jan 2016
$119.00→$68.00
42.86% drop
Price Drop28th Dec 2015
$116.99→$109.99
5.98% drop
Price Drop16th Dec 2015
$113.95→$100.00
12.24% drop
Price Drop4th Dec 2015
$118.00→$110.00
6.78% drop
Price Drop22nd Nov 2015
$93.99→$88.99
5.32% drop
Price Drop19th Nov 2015
$114.00→$94.99
16.68% drop
Price Drop18th Nov 2015
$121.80→$114.00
6.4% drop
Price Drop28th Oct 2015
$109.99→$99.99
9.09% drop
Price Drop26th Oct 2015
$105.00→$80.00
23.81% drop
Price Drop21st Oct 2015
$119.93→$104.00
13.28% drop
Price Drop19th Oct 2015
$117.00→$109.99
5.99% drop
Price Drop14th Oct 2015
$119.80→$109.95
8.22% drop
Price Drop10th Oct 2015
$114.95→$100.00
13.01% drop
Price Drop13th Sep 2015
$115.00→$100.00
13.04% drop
Price Drop10th Sep 2015
$129.80→$120.38
7.26% drop
Price Drop19th Aug 2015
$119.19→$69.99
41.28% drop
Price Drop16th Aug 2015
$120.70→$110.00
8.86% drop
Price Drop26th Jul 2015
$118.44→$105.00
11.35% drop
Price Drop22nd Jul 2015
$119.99→$99.00
17.49% drop
Price Drop19th Jul 2015
$118.00→$110.00
6.78% drop
Price Drop5th Jul 2015
$115.00→$100.00
13.04% drop
Price Drop21st Jun 2015
$124.46→$73.00
41.35% drop
Price Drop17th Jun 2015
$124.46→$115.00
7.6% drop
Price Drop9th Jun 2015
$110.00→$100.00
9.09% drop
Price Drop20th May 2015
$109.00→$100.00
8.26% drop
Price Drop17th May 2015
$120.00→$110.00
8.33% drop
Price Drop5th May 2015
$110.00→$100.00
9.09% drop
Price Drop25th Apr 2015
$120.00→$113.00
5.83% drop
Price Drop20th Apr 2015
$125.00→$118.34
5.33% drop
Price Drop18th Apr 2015
$115.00→$100.00
13.04% drop
Price Drop15th Apr 2015
$125.00→$115.00
8% drop
Price Drop1st Apr 2015
$120.00→$113.98
5.02% drop
Price Drop2nd Mar 2015
$115.00→$99.99
13.05% drop
Price Drop26th Feb 2015
$127.00→$105.00
17.32% drop
Price Drop23rd Feb 2015
$129.00→$115.00
10.85% drop
Price Drop17th Feb 2015
$129.95→$115.00
11.5% drop
Price Drop12th Feb 2015
$134.40→$115.00
14.43% drop
Price Drop6th Feb 2015
$131.99→$78.00
40.9% drop
Price Drop4th Feb 2015
$130.40→$105.00
19.48% drop
Price Drop29th Jan 2015
$135.90→$118.00
13.17% drop
Price Drop25th Jan 2015
$119.99→$109.99
8.33% drop
Price Drop23rd Jan 2015
$122.99→$109.99
10.57% drop
Price Drop11th Jan 2015
$111.99→$93.00
16.96% drop
Price Drop8th Jan 2015
$116.99→$105.00
10.25% drop
Price Drop4th Jan 2015
$114.99→$89.99
21.74% drop
Price Drop1st Jan 2015
$124.93→$85.00
31.96% drop
Price Drop25th Dec 2014
$125.99→$114.99
8.73% drop
Price Drop19th Dec 2014
$128.00→$120.00
6.25% drop
Price Drop10th Dec 2014
$129.98→$105.00
19.22% drop
Price Drop5th Dec 2014
$118.00→$105.00
11.02% drop
Price Drop24th Nov 2014
$114.89→$100.00
12.96% drop
Price Drop16th Nov 2014
$100.00→$94.99
5.01% drop
Price Drop13th Nov 2014
$100.00→$89.00
11% drop
Price Drop9th Nov 2014
$100.00→$89.00
11% drop
Price Drop7th Nov 2014
$100.00→$89.00
11% drop
Price Drop4th Nov 2014
$100.00→$89.00
11% drop
Price Drop3rd Nov 2014
$115.00→$100.00
13.04% drop
Price Drop28th Oct 2014
$119.95→$86.16
28.17% drop
Price Drop23rd Oct 2014
$131.95→$120.00
9.06% drop
Price Drop21st Oct 2014
$133.57→$37.35
72.04% drop
Price Drop14th Oct 2014
$137.00→$129.79
5.26% drop
Price Drop6th Oct 2014
$126.22→$115.01
8.88% drop
Price Drop5th Oct 2014
$125.00→$110.00
12% drop
Price Drop2nd Oct 2014
$123.00→$105.00
14.63% drop
Price Drop29th Sep 2014
$137.00→$119.99
12.42% drop
Price Drop22nd Sep 2014
$120.00→$110.00
8.33% drop
Price Drop21st Sep 2014
$133.98→$120.00
10.43% drop
Price Drop18th Sep 2014
$137.99→$130.00
5.79% drop
Product Information
Details
Product Name
Texas Instruments TI-89 Titanium Graphing Calculator (packaging may differ)
Store Product Code
B0001EMLZ2
Store Name
amazon.com
Brand
Texas Instruments
Rating
9.2 / 10
Category
Graphing
Product Manufacturer
Texas Instruments
Model Number
89T/TBL/1L1/D
Color
gray
Size
7.5 Inch
Dimensions
7.5 x 0.9 x 3.3 inches
Features
Graphing calculator handles calculus, algebra, matrices, and statistical functions
188 KB RAM and 2.7 MB flash memory for speed; plenty of storage for functions, programs, data
Large 100 x 160 pixel display for split-screen views. Compatible with CBL 2 system, CBR 2 motion sensor, vernier easylink and vernier easytemp systems to allow collection and analysis of real-world data
USB on-the-go technology for file sharing with other calculators and connecting with PCs. Matrix operations including inverse, determinant, transpose, augment, elementary row operations and reduced row echelon form; matrix elements can be real or complex and numeric or symbolic
Backed by 1-year warranty
Images
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Rating and Reviews
9.2Based on 2540 reviews
Texas Instruments TI-89 Titanium Graphing Calculator packaging has 9.2 rating out of 10. This average rating is consist of 2540 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.