ABACUS SX-II MATRIXn
A scientific calculator designed for clear day-to-day use, with common functions placed front and centre for fast access during class or study sessions.
A practical classroom calculator with deeper tools built in.
Based on the manual, the SX-II MATRIXn is more than a basic scientific calculator. It includes dedicated calculation modes, flexible display settings, statistics tools and workflow shortcuts that are useful for students and teachers.
The SX-II MATRIXn is suited to everyday maths, science and classroom work, with dedicated modes for general calculations, statistics and verification. Its setup menu also lets users choose display style, angle units, decimal/scientific notation and fraction format.
Textbook-style working
MathIO displays compatible expressions in a more natural written maths format.
Three main modes
COMP for scientific calculations, STAT for statistics and VERIF for checking comparisons.
Flexible setup
Switch degree/radian/gradian angle units, Fix/Sci/Norm notation and mixed/improper fractions.
Emulator available
Use the official Windows MSI for demonstrations, practice or support on a PC.
Useful features
A stronger feature set, focused on what students and teachers actually use during classwork, homework and demonstrations.
𝑥
MathIO display
Textbook-style input and output for fractions, roots, powers and other supported expressions.
MODE
COMP, STAT and VERIF modes
Switch between everyday scientific calculations, statistical work and true/false comparison checking.
Σ
Statistics and regression
Supports single-variable statistics plus linear, quadratic, logarithmic, exponential, power and inverse regression.
✓
Verify calculations
Check equalities and inequalities, including chained comparisons such as ranges and multi-part statements.
↺
Replay and edit
Review previous COMP and VERIF entries, move through the working and adjust values before recalculating.
M
Memory variables
Store, recall and reuse values across A, B, C, D, E, F, M, X and Y memory variables.
#
Number tools
Includes prime factorisation, absolute value, rounding, GCD and LCM for common number work.
SET
Custom setup
Choose MathIO or LineIO, angle units, display notation, fraction format, decimal style and contrast.
Practise on-screen with the ABACUS SX-II MATRIXn Emulator.
Use the official emulator installer to access a computer-based version of the ABACUS SX-II MATRIXn calculator for demonstrations, practice or classroom support.