Casio Calculator 991ES Plus 2nd Edition

 Casio fx-991ES Plus Scientific Calculator – Ideal for Students & Professionals

Upgrade your academic and professional toolkit with the Casio fx-991ES Plus Scientific Calculator, one of the most reliable and widely used calculators for engineering, FSC, O/A Levels, and competitive exams. Whether you search for calculator fx 991 es plus or scientific calculator Casio fx991ES, this model is trusted worldwide for its precision and functionality.

🔹 Key Features of the Casio fx-991ES Plus

The calculator Casio fx991es plus is a non-programmable scientific calculator packed with powerful features:

• 417 Built-in Functions including logarithms, matrices, equations, and statistics

• Natural Textbook Display – shows expressions and results exactly as in textbooks

• Multi-replay function to quickly go back and edit equations

• Fraction and Scientific Notation support

• Handles complex calculations like:

  • Integration & differentiation

  • Matrix & vector calculations

  • Base-n calculations (binary, octal, hex)

  • Complex numbers

• Dual power: Solar + Battery backup

🔸 Why Choose the 991 Plus Model?

The 991 Plus is designed for students and professionals who need reliable, exam-approved performance. It’s perfect for:

• Engineering students

• Science and commerce students (FSC, ICS, ICom, DAE)

• Teachers and office use

• Competitive exams like ECAT, MCAT, NTS, CSS