Solar Scientific Calculator 991ES with LCD Notepad – 417 Functions Foldable Calculator for Students & Office

Solar Scientific Calculator 991ES with LCD Notepad – 417 Functions

The Solar Scientific Calculator 991ES with LCD Notepad is a versatile and portable calculator designed for students, professionals, and everyday use. Featuring 417 built-in functions and an integrated LCD writing notepad, it combines advanced calculation with note-taking convenience in one compact foldable design.

Perfect for math, science, accounting, bookkeeping, and daily calculations, this calculator lets you solve equations while quickly writing notes, formulas, or reminders directly on the built-in LCD pad—eliminating the need for extra paper.

Its foldable design helps protect the display and keypad while making it easy to carry in backpacks, desk drawers, or office bags. Powered by a solar battery system with battery support, it offers dependable performance for classroom, office, retail, and home use.

Whether you're solving algebra problems, working through trigonometry formulas, balancing store accounts, or managing office paperwork, the 991ES provides fast and accurate results with convenient note-taking functionality.

Key Features

• 991ES scientific calculator with 417 functions
• Integrated LCD notepad for writing notes, formulas, and calculations
• Foldable portable design for easy storage and travel
• Solar battery powered for efficient everyday use
• Clear display for easy viewing and operation
• Suitable for math, science, accounting, office, and home use
• Lightweight and practical for students and professionals
• Great for classrooms, offices, stores, and study sessions

Specifications

• Power Mode: Battery Powered
• Operating Voltage: ≤36V
• Battery Properties: Solar Battery
• Solar Battery Type: Other
• Functions: 417
• Display: Scientific calculator + LCD writing notepad
• Design: Foldable portable design

Ideal For

• Students & exam preparation
• Math and science classes
• Office calculations
• Accounting & bookkeeping
• Store inventory management
• Homework and study use
• Home office and everyday calculations

The Solar Scientific Calculator 991ES with LCD Notepad is an all-in-one calculation and note-taking tool designed for convenience, portability, and reliable performance—ideal for students, teachers, accountants, and professionals alike.

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