Best apps like 正心中學

Systems of equations solver

2x2 and 3x3 System Solver

$3.99

This calculator helps solve systems of linear equations with two or three variables. It provides step-by-step solutions, supports various coefficient types, and displays results in both decimal and fractional formats. Users can save and email their equation history.

Fungi Booklet

Quick and easy way to fungi id

Free

This app serves as a field guide for identifying fungi, slime molds, and lichens. It offers a searchable database of over 2,300 species with photos and detailed information, accessible online or offline. Features include adjustable font sizes and theme support.