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991MS 401 Functions 2-Line Display Desktop Calculator with Sliding Cover
✅ In stock
F
Grade
Analysis Confidence
88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 26, 2026 5:31 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 🏷️The retail sticker price has been slashed by 68% — a steep markdown from the official listing.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
ROATEE-US
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Scientific Calculator for Students: ROATEE portable scientific calculator containing 401 functions such as scientific functions, scientific computation, complex number calculations, integrals, matrix calculations, vector calculations and so on.Suitable for middle school courses such as general mathematics, statistics, chemistry, biology, and general science
✓2-Line Display: Showing input and calculation results at the same time on the display. Greatly improves computational efficiency
✓Dust-resistant and Durable: ROATEE scientific calculator comes with a dust cover that can be placed at the back while in use and covered after use to prevent dust from entering. The portable size and durable material designed for students are not only convenient for storage and carrying but also have a longer service life
✓Dual Power Supply & More Sensitive Key: Solar panel + replaceable button battery for long term use. High quality plastic buttons, more sensitive and precise than silicone buttons, more comfortable to touch
✓Essential School Supplies: Suitable for SAT, GCSE, etc...Functionally complete with a stylish design, color scheme, and exterior, making it highly suitable for middle school students and above
⚙️ Specifications
Brand
ROATEE
Color
Light Black
Calculator Type
Engineering/Scientific
Power Source
Battery Powered
Screen Size
6.2 centimeters
Product Dimensions
6.3 x 3.31 x 0.04 inches
Item Weight
6.7 ounces
ASIN
B0DKXBHYFC
Item model number
AC0401-U-5D-1001
Batteries
1 CR5 batteries required. (included)
Customer Reviews
4.4
