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Specification
Title:	OSALO Scientific Calculator for Students
Brand:	OSALO
Warranty Period	12 Months
Country of Origin	China
Number Of Digit	12 Digit
Model	OS-991EX
Power Type	Battery & Solar
Material	Plastic
Digit	10 + 2 Digits
Title	OSALO Scientific Calculator for Students
Durability	Made with durable plastic to withstand regular usage
Display Features	10 + 2 digit display allows for complex calculations and better precision
Power Efficiency	Dual power ensures operation in low-light conditions and extends battery life
Application	Suitable for students, particularly in scientific and engineering fields
Display	LCD Display
Conversion	40 Metric
Equation Solver	Up to 4
Display Type	Natural-V.P.A.M.

Summary

The OSALO OS-991EX calculates 552 math functions through a 192 x 63 pixel display. Dual power circuits draw energy from solar cells or internal batteries. With 151 more functions than the OS-991MS, this version replaces the old 2-line screen with high-resolution icons for faster navigation.

Key Features

552 Math Functions: Calculus, complex numbers, and spreadsheet operations. Solves advanced engineering problems without external tables.
Natural Textbook Display: 192 x 63 pixel resolution showing fractions and roots. Expressions appear exactly as they look in textbooks.
Dual Power Input: Integrated solar panel and LR44 battery. Operations continue during indoor load shedding or low light.
Matrix and Vector Support: 4x4 matrix and 3-dimensional vector calculations. Handles linear algebra requirements for higher secondary exams.
12 Months Warranty: One-year hardware protection against internal circuit failure. Covers the device through a full academic cycle.

Frequently Asked Questions

Is OSALO OS-991EX allowed in HSC exams?

Bangladesh education boards generally permit non-programmable scientific calculators for public examinations. This model lacks text-storage capabilities, meeting standard exam hall requirements.

How many functions does OSALO 991EX have?

This device contains 552 pre-programmed mathematical functions. It handles everything from basic arithmetic to 4x4 matrix equations and spreadsheet data.

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Specification

Summary

Key Features

Frequently Asked Questions

Is OSALO OS-991EX allowed in HSC exams?

How many functions does OSALO 991EX have?

OSALO Scientific Calculator for Students - OS-991EX CW

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