Skip to content
TrackPin
Check a price
Menu

Texas Instruments TI- 84Plus CE Teacher's 10 Pack Graphing Calculator

Rated4.5(18 ratings)Only 20 left

Good price

$1,339.20 is 10% below the $1,493.67 it normally sells for, and the lowest we've seen in 138 days.

Now
$1,339.20
Normally
$1,493.67
Lowest in 138 days
$1,339.20(Nov 6)
Highest
$1,599.00
Evidence: Strong138 days tracked71 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $1,339.20. No account, no newsletter.

The listing's crossed-out price

Holds up

The listing shows

crossed out: Typical $1,505.00 −11%

Against its normal price

−10% vs $1,493.67

Typical $1,505.00 (−11%) holds up: today's price is 10% below normal.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 25 · 138 days · 71 price changes

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $1,493.67
  • 5% or more below normal

How often does it drop below normal?

In the 138 days we've tracked it, this is the first time it has stayed 5% or more below today's normal price for an hour or more. It has been below normal for about 6 days so far.

A count of what happened, not a prediction.

Other ways to buy

  • New from

    $1,335.00

    SAVEABIZSeller rating 81% of 4,911

  • Used from

    $889.99

    Jakes BookstoresSeller rating 70% of 494

11 of 25 offers
The 10 lowest of 11 offers, by price
SellerConditionPriceFBASeller rating
Jakes BookstoresUsed - Good$889.99No70% of 494
scholrep-0Used - Good$957.00No38% of 32
OceansideComputersUsed - Very Good$1,049.99No100% of 5,198
Amazon ResaleUsed - Acceptable$1,115.80Yes—
TechprozUsed - Very Good$1,199.99No100% of 118
SAVEABIZNew$1,335.00No81% of 4,911
Amazon.comNew$1,339.20Yes100%
Smart TonersNew$1,606.99No86% of 46,340
The Factory DepotNew$1,610.59No48% of 133,882
AztekCNew$1,615.76No29% of 747

Showing the 10 lowest of 11 offers.

Amazon lists 25 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.

More real deals in Electronics

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B00TFYYM6A
Request
curl https://trackpin.co/api/v1/product/B00TFYYM6A \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 19:08 UTC
{
  "asin": "B00TFYYM6A",
  "title": "Texas Instruments TI- 84Plus CE Teacher's 10 Pack Graphing Calculator",
  "image": "https://m.media-amazon.com/images/I/61uKf17ZqwL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "CE",
  "category_label": "Electronics",
  "in_stock": true,
  "price": {
    "current_cents": 133920,
    "reference_cents": 149367,
    "discount_pct": 10.34,
    "is_deal": true,
    "observed_at": 1794421443691,
    "changed_at": 1793944753549,
    "checked_at": 1794421443691,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 10.34,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $1,339.20 is 10% below the $1,493.67 it normally sells for, and the lowest we've seen in 138 days."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 150500,
    "claimed_pct": 11,
    "real_pct": 10.34,
    "class": "holds_up",
    "observed_at": 1794421444918
  },
  "stats": {
    "min_cents": 133920,
    "max_cents": 159900,
    "avg_cents": 151226,
    "history_days": 138,
    "price_levels": 264,
    "price_changes": 71,
    "distinct_prices": 9,
    "lowest_at": 1793944753549
  },
  "history": [
    {
      "price_cents": 151000,
      "from": 1789918541978,
      "to": 1789918541978
    },
    {
      "price_cents": 152853,
      "from": 1789918858089,
      "to": 1789918858089
    },
    {
      "price_cents": 151258,
      "from": 1789946242193,
      "to": 1793373087166
    },
    {
      "price_cents": 149367,
      "from": 1793375389477,
      "to": 1793937690808
    },
    {
      "price_cents": 133920,
      "from": 1793944753549,
      "to": 1794421443691
    }
  ],
  "last_seen": 1794421444918
}
// … 259 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.