Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Calculators |
| Origin | - |
| Brand | Deli |
| Model Number | DL-82ES Plus Gradient |
| Number of Functions | 240 |
| Display Type | Large 2-Line LCD |
| Power Source | Solar + Battery (LR44) |
| Design Style | High-Aesthetic Gradient Finish |
| Exam Approval | Suitable for College Entrance & Certification Exams |
| Key Material | Responsive Plastic with Anti-slip Texture |
| Dimensions | 16.5 x 8.2 x 1.4 cm |
| Weight | 110 grams |
Anonymous
Mar 30, 2026
Rating: 5/5
Approved for college entrance tests
Checked with my proctor, and this model is fully compliant. The battery life is excellent, and the screen contrast is perfect even in dim lighting.
Anonymous
Mar 28, 2026
Rating: 4/5
Solid choice for postgrad studies
Handles matrix operations and calculus derivatives without lag. The gradient finish does show fingerprints slightly, but it wipes off easily.
Anonymous
Mar 24, 2026
Rating: 5/5
Perfect for my engineering exams
The gradient color looks amazing and professional. All 240 functions work smoothly, and the large display makes reading complex equations easy during long study sessions.
Anonymous
Mar 18, 2026
Rating: 5/5
Best calculator I've owned
Upgraded from an older model and the difference is night and day. The button layout is intuitive, making it easy to switch between modes quickly.
Anonymous
Mar 06, 2026
Rating: 5/5
Stylish and functional
I bought this for my construction certification exam. It feels sturdy in hand, and the aesthetic design stands out compared to standard black calculators.
Anonymous
Mar 03, 2026
Rating: 4/5
Great value for accounting students
Very responsive keys and the solar backup is a lifesaver. I deducted one star only because the manual could be more detailed for advanced statistical functions.
Q: Does it come with a protective hard case?
A: The package includes a durable slide-on hard cover that protects the screen and keys when not in use. A separate carrying pouch is not included.
Q: Is this calculator allowed in the SAT and ACT exams?
A: Yes, this model does not have graphing capabilities or QWERTY keyboards, making it generally compliant with SAT and ACT regulations. However, we always recommend checking specific test day rules.
Q: What type of battery does it use if solar power is insufficient?
A: It uses one standard LR44 button cell battery as a backup power source when lighting conditions are too low for the solar panel to function effectively.
Q: Can it perform matrix inversion and determinant calculations?
A: Absolutely. This model supports matrix operations up to 3x3, including inversion, determinants, and multiplication, which is ideal for linear algebra courses.
Q: Is the gradient color prone to fading over time?
A: The gradient finish is applied using high-quality coating techniques designed to resist fading under normal usage conditions. Avoid exposing it to direct sunlight for extended periods to maintain its appearance.
Oil Pastel Blending Stumps and Smudging Tools for Painting, Mixing, and Highlighting
$4.76
Jingyangge Calligraphy Wool Felt Arm Rest Pad, Mini Felt Mat for Chinese Painting, Inkstone Protector, Creative and Exquisite Practice Mat
$9.90
Concrete Mixing Plant Gantry Car Wash Platform, Shiji Runde Tunnel-Style Gantry Car Wash Machine
$20,000.00
Baohong Watercolor Paper Artist Grade 1/2/Full/Half Sheet, Student Grade 300g 100% Cotton Pulp, Rough/Medium/Fine Grain Roll
$33.00
Metal Garden Bed - Large Size Vegetable Planter for Balcony and Home Gardening
$1,033.00
Custom Travertine Stone Signage with Natural Marble 3D Lettering and Spherical Characters for Cafes, Clothing Stores, and Studios
$170.00
CANDLE.LAB | Realistic Cookie Series DIY Aromatherapy Plaster Candle Diffuser Handmade Silicone Mold
$12.00
Zhao Mengfu Calligraphy Copybook - Running Script 'Qingyun Zhi', Red-Traced Practice Paper for Beginners in Calligraphy
$15.80
Aesthetic Street Scene Watercolor Line Art for Coloring, 16K Landscape Watercolor Coloring Book, Painting Book, Cotton Pulp Watercolor Album
$15.80
Warehouse Nitrogen Sealing Generator - High-Purity Food-Grade PSA Skid-Mounted Container Equipment
$959.00
Ransheng UV Resin Gel, UV Crystal Glue for Gemstones, Ear Cuff Sealing, Dried Flower Molds, DIY Quick-Dry UV Epoxy
$44.00
Dairy Processing Production Line, Pasteurized Milk Equipment, Low-Temperature Sterilization and Fermentation Machine for Cow and Camel Milk
$8,203.00
Blue Lint-Free Wiping Paper - Industrial Large Roll Oil-Absorbent Shop Towels
$62.00
Green-Red AB Glue 5-Minute Fast-Drying Acrylate AB Glue for Glass Ceramic Metal Structural Adhesive Quick Set
$18.13
![Northern Wei Dynasty Inscriptions: Twenty Pieces from Longmen [Rubbing] - Original Size Wei Bei Calligraphy Copybook from Luoyang Longmen Grottoes](https://www.gosteppe.com/cache/small/product/270189/legacy-main-0c626807b3c375d4d5d6a89b.webp)
Northern Wei Dynasty Inscriptions: Twenty Pieces from Longmen [Rubbing] - Original Size Wei Bei Calligraphy Copybook from Luoyang Longmen Grottoes
$40.30
Ru Kiln Celadon Ceramic Brush Washer Set - Large, Medium, and Small Ink Dishes for Chinese Calligraphy and Painting Supplies
$88.80
Multi-Layer Over-Toilet Storage Rack for Bathroom, Laundry Room, and Balcony - Floor Standing Organizer
$44.96
Wrought Iron Solid Stainless Steel Letters – Minimalist Space Signage, Custom Metal Advertising Letters for Storefronts & Feature Walls
$10.00
Shimoyama 304 Stainless Steel Telescopic Rod - Kitchen Sink Cutting Board Support Rack for Dish Drying and Cloth Hanging
$74.80
Modified Wheel Lug Nuts Forged Steel High Strength for Lafesta Regal CT4 Civic Accord Crown Mazda3
$209.00
Milk Separator Machine - Electric Cream Skimmer and Butter Churn for Home and Commercial Use (Cow and Goat Milk)
$946.00
Three-Phase Auto-Reclosing Leakage Circuit Breaker - Smart Phase Loss, Undervoltage, Overload Protection with 485 Communication for PV Grid Connection
$693.20
Multi-Function Vegetable Cutter Commercial Electric for Cafeterias Fully Automatic Chili Scallion Chopper Imitation Hand-Cut Leek Machine
$1,600.00
Zhengtong ZT30 Fog Cannon - Micron-Level Humidification & Cooling Spray System for Steel Mills
$6,000.00
100Pcs Custom Clothing Hang Tags Personalized Plastic Securi
$125.94
Wall-Mounted Bathroom Storage Shelf, No-Drill Organizer for Sink, Shower, and Toilet Area
$5.76
Thickened 5mm Wool Felt Mat for Calligraphy Practice - Premium Writing Pad for Students and Beginners, Part of Four Treasures of the Study Set
$2.80
Multi-Function Car Tire Stone Removal Tool with Hook for Picking Out Rocks
$4.06
Label Stripping Machine – Semi-Automatic Unit for Beer, Baijiu, and Glass Bottle Label Removal; Custom Manufacturing Available
$19,980.00
High-Strength Manganese Steel Lifting Chain 6*18mm G80 Wear-Resistant Towing Chain
$84.34
![[10 Boxes] M&G Staples 24/6 Universal No. 12 Stapler Pins, Uniform Binding Nails, Office Stationery, Small Stainless Steel Staples](https://www.gosteppe.com/cache/medium/product/393106/legacy-main-d2d0aeb221cb42ffcbb9d83a.webp)
![[Customizable] Blank DIY Bookmarks - Thickened Hard Cardstock in Multiple Sizes with Tassels for Kindergarten and Elementary Art, Calligraphy, and Reading Gifts](https://www.gosteppe.com/cache/medium/product/386159/legacy-main-05a2e5e73e5ac60017fbef5e.webp)
