📈 Elevate your calculations—because precision is the new power.
The deli D991ES Scientific Calculator is a high-performance, non-programmable calculator featuring 417 functions and a clear textbook-style LCD display. Designed for professionals and students alike, it offers fractional arithmetic capabilities and comes with a reassuring 3-year warranty. Its sleek black design and reliable battery-powered operation make it an essential tool for precise, everyday calculations.
| Brand | deli |
| Manufacturer | Ningbo Deli IMP. & EXP. CO : Xinhui Rd, Jiang Dong Qu, Ningbo, Zhejiang, China, 315048 |
| Model | ED991ES |
| Model Name | E 991ES |
| Product Dimensions | 2.6 x 17.6 x 8.6 cm; 230 g |
| Batteries | 2 LR44 batteries required. |
| Item model number | ED991ES |
| Standing screen display size | 12 Centimetres |
| Display Type | LCD |
| Power Source | Battery Powered |
| Batteries Included | No |
| Batteries Required | Yes |
| Battery cell composition | Lithium Ion |
| Includes Rechargeable Battery | No |
| Manufacturer | Ningbo Deli IMP. & EXP. CO : Xinhui Rd, Jiang Dong Qu, Ningbo, Zhejiang, China, 315048 |
| Country of Origin | China |
| Item Weight | 230 g |
J**I
Useful and good quality product
The calculator is of good quality with multiple features. Its buttons also very soft. It versatility for solving the simple equations as well as complex mathematical equation makes it very worthy product.
J**
Error in matrix multiplication and other mode function
The media could not be loaded. When I take 2 matrix it remember 2nd but error in 1st let an example. A × B then it remember matrix B but it not remember matrix A there is an error in remembering.
V**V
Nice item
Very good calculator
D**P
Excellent product
Very nice design and accurate functionality awasome delivery .... good 👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍 nice key button and rugdnrsss appearanceBeautiful ❤️❤️❤️ looking
R**K
good
Good
A**N
Not mentioned on box non programmable
I required it for college examination.Also no return.
Trustpilot
3 weeks ago
2 months ago
