# Kingdom DS-991ES Scientific Calculator (410 Functions + Hard Case)

GH₵ 280 · Osu

Equip yourself for academic success or professional engineering tasks with the Kingdom Books DS-991ES Scientific Calculator. Packed with advanced mathematical capabilities and built with a durable protective hard case, this is the ultimate tool for high school, university, and technical coursework.
Key Features:
- Features a total of 410 built-in mathematical, statistical, and logical functions.
- Handles matrix calculations, complex numbers, integration, differentiation, and base-n logical operations.
 - 31x96 dots natural textbook display for easy readability of fractions, formulas, and symbols.
- Combines solar and battery power for reliable, long-lasting performance.
 - Comes with a durable slide-on hard case to protect the keys and screen from damage while in a backpack.

## Details

- Type: Calculators

Category: Equipment & Tools / Stationary

Seller: [Kingdom Books & Stationery Ltd](https://trueseller.app/sellers/kingdom-books-stationery-ltd-3d82d36e95355c5f9c966e33)

[Listing](https://trueseller.app/marketplace/equipment-tools/stationary/kingdom-ds-991es-scientific-calculator-410-functions-hard-case-3dbed01030036546909b2d63)