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🔥 HOT DEAL
TI-89 Titanium CAS Graphing Calculator Texas Instruments
✅ In stock
📉 Price recently dropped
A
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 31, 2026 3:42 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
🔥 Great Deal- 🔥Verdict: Great Deal. Strong buy. Price is significantly below its historical average.
- 💰The current price is 58% below what this product typically costs — a notable saving over its usual going rate.
- 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
- 📈Prices have been climbing otherwise, adding urgency to act on this deal before cost reverts upward.
How We Scored This Deal
Price Competitiveness
28/28
Recent Value
22/22
Market Standing
19.72/20
Deal Strength
16/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
alouis
🚚 Shipping
Free Shipping
Product Details
✓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
⚙️ Specifications
Brand
Texas Instruments
Color
gray
Calculator Type
Graphing
Power Source
Battery Powered
Screen Size
2.8 inches
Manufacturer
Texas Instruments
Item Weight
9.6 ounces
Product Dimensions
7.5 x 0.9 x 3.3 inches
Item model number
89T/TBL/1L1/D
Batteries
4 A batteries required. (included)
Is Discontinued By Manufacturer
No
