-23%  In Stock | Helect 2-Line Engineering Scientific Calculator, Suitable for School and Business (Black)Current Price $16.99 Regular Price $21.99 💰 You Save $5.00 Lowest Price $16.98 Average Price $16.99 Highest Price $16.99 Last Check Jul 02 07:00 AM |
Score Breakdown
30/100
Deal Score
Weak
Overall quality30%
🏷️Discount
12/40
How deep is the discount? Bigger savings score higher, but extreme discounts (85%+) are flagged as suspicious.
🛡️Trust
18/30
How reliable is this deal? Amazon-sold items, BuyBox winners, and verified price references earn more trust.
⚡Deal Type
0/5
What kind of deal is this? Lightning Deals and high claim rates signal real urgency and limited availability.
🎯Historical
0/25
Is this price historically low? All-time lows and rare discounts earn bonus points.
✅No penalties
Score = Discount (40) + Trust (30) + Deal Type (15) + Historical (15) − Penalties · Raw max 100 → capped [0–100]Max: 100 pts
📊 Advanced Analytics Metrics
Average Historical Discount
24.4%
💰
Price Volatility
0.1%
📈
Maximum Historical Discount
41%
🏆
Most Frequent Price
$16.99
🔢
30-Day Trend
Stable
📊
Days Since Lowest
176 days
⏱️
Deal Detection History
Detected deal price
No deal detections available for this period