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NEWYES Rechargeable Scientific Calculators 991ES MAX, 417 Functions, Writing Pad, Foldable Hard Case, 4-Line Written Display Advanced Calculators for Students School Engineering, Dual Power, Black
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 11, 2026 9:21 PM · 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.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
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
NEWYES-US
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Powerful Calculation Functions: With 417 calculation functions, it can easily handle complex mathematical formulas, function operations, and data processing in scientific research, meeting the diverse calculation needs from middle school to college students and researchers.
✓Convenient Writing Pad: The unique LCD writing pad design allows you to record ideas, formula derivations or important data during the calculation process. No need to prepare additional paper and pen. Calculation and recording are carried out simultaneously, greatly improving learning and work efficiency.
✓Dual Power Supply Modes: It adopts a dual power supply system of Type-C charging and solar power. There is no need to worry about running out of power. It can be quickly charged through a Type-C cable indoors. In outdoor or well-lit environments, the solar power supply can continuously provide energy for the calculator, which is environmentally friendly and practical.
✓Portable and Easy to Carry: The foldable design makes it compact and convenient to carry. Whether it is carried in a schoolbag to school or taken to the library or laboratory, it will not take up too much space. Start an efficient calculation journey anytime and anywhere.
✓Wide Range of Applicable People: This calculator is specially designed for middle school students, high school students, college students and researchers, covering all learning and research stages. It is an ideal tool to accompany you in exploring and seeking knowledge in fields such as mathematics, physics and chemistry.
⚙️ Specifications
Brand
NEWYES
Color
Black
Calculator Type
Engineering/Scientific
Power Source
Solar & Rechargeable Battery
Screen Size
6.5 inches
Model Name
NY-991ES MAX
Number of Packs
1
Manufacturer
NEWYES
Number of Items
1
Item Type Name
scientific calculator
Model Number
991ES MAX
