CASIO FX-991MS | Scientific Calculator

CASIO FX-991MS | Scientific Calculator

The Casio FX‑991MS 2nd Edition is the enhanced non‑programmable scientific calculator from Casio's MS‑series. With dual power (solar + LR44 battery) and a 2-line Dot‑Matrix display capable of 10 + 2 digits, it displays full expressions and results clearly

This model supports 401 essential functions, including:

• Algebra & arithmetic∶ fractions, combinations, permutations

• Advanced math∶ integrals, derivatives, matrix & vector operations

• Statistics∶ standard deviation, regression, and data editing

• Complex numbers, base-n conversions, equation solving, engineering symbols, and built-in constants

The sturdy plastic design features wear-resistant key legends and a drop-resistant body. The included slide-on hard case protects the device from damage. With dimensions of ~161.5 × 77 × 11 mm and weighing ~95 g, it's built for portability and comfort.

Ideal for exams that prohibit programmable calculators, it’s also widely permitted in engineering and competitive exams across India.

• 401 Math Functions: Algebra, calculus, matrices, statistics, regressions, and more

• Dual Power: Solar-assisted with LR44 backup battery, lasting ~3 years

• Two-line S‑V.P.A.M. Display: See expressions and results simultaneously

• Robust Build: Wear-resistant print, durable keys, hard case included

• Compact: 95 g, 161.5 × 77 × 11 mm—easy to carry

• Exam-Ready: Non-programmable and widely accepted