- Sistemi lineari con passi RREF (2×2 e 3×3)
calculators, linear-systems-rref, calculator, math, linear, systems, solver, with, rref, steps, it
- Aritmetica modulare — egcd / inverso / potenza rapida / CRT（con passi）
calculators, modular-arithmetic, calculator, math, modular, arithmetic, suite, extended, gcd, inverse, crt, it
- Calcolatore interesse semplice/composto con NPV e IRR
calculators, finance-basics, calculator, finance, interesse, semplicecomposto, con, npv, e, irr, it
- Calcolatrice di matrici — RREF / Risolvi Ax=b / Inversa / Determinante（con passi）
calculators, matrix, calculator, it
- Calcolatrice grafica 2D — fino a 3 funzioni con passi per intersezioni/estremi
calculators, graphing-calculator, calculator, math, 2d, graphing, intersections, extrema, it