CTIFREE FX-991ES PLUS Scientific Calculator is a versatile calculator designed for students, teachers, engineers, and professionals. Featuring 417 functions, it supports a wide range of mathematical, scientific, and statistical calculations, making it suitable for secondary school, university studies, examinations, and everyday calculations.

The calculator features a clear display expression screen and dual power functionality for reliable performance. It is ideal for algebra, trigonometry, fractions, logarithms, statistics, equations, and advanced scientific calculations.

Available for fast and reliable same-day delivery across Lagos, Nigeria.

Key Features

417 built-in functions

Scientific calculator

Display expression screen

Suitable for students and professionals

Dual power operation

Compact and portable design

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