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IsaShaikh/README.md

Isa Shaikh — Engineering Student · Mathematics Enthusiast · Software Developer


Discipline & Intent

I am an engineering student and independent software developer with an enduring focus on mathematics, systems architecture, and mobile engineering.

Through Elyaro Labs, my independent software studio, I design and ship local-first Android applications built for privacy, deterministic execution, and daily utility. I approach software through two complementary disciplines: mathematical reasoning to model problems with clarity, and rigorous software engineering to translate those models into fast, dependable tools.


Mathematics ⟶ Logic ⟶ Shipped Software Paradigm



Selected Works

Three focused Android applications built from first architectural decisions to live production distribution.


PacePDF Logo

01 // PacePDF

Documents, under control.
Android PDF Reader & On-Device Document Toolkit

PacePDF integrates fast document viewing, in-document text search, and comprehensive page manipulation into an all-in-one local toolkit engineered without server dependencies.

  • 100% On-Device Processing: Zero mandatory account registration and zero cloud file uploads—documents never leave local hardware.
  • Precision Toolkit: Merge, split, rotate (90° increments), crop, and visually reorder document pages.
  • Security & Conversion: Password encryption, custom visual signature placement, watermarking, and bi-directional image-to-PDF / PDF-to-image extraction.

Flutter  ¡  Dart  ¡  Android  ¡  On-Device Architecture

Get PacePDF on Google Play

PacePDF Search Interface Capture
In-Document Search Capture


MathSheet Logo

02 // MathSheet

Practice made deliberate.
Math Practice Drill & Printable PDF Worksheet Generator

Designed for students, educators, and coaching institutes, MathSheet bridges digital arithmetic drills with high-density, printable mathematical worksheet generation.

  • Configurable Arithmetic Engine: Arithmetic operations across customizable difficulty tiers (Easy through Expert), including order of operations (BODMAS), fractions, decimals, and negative numbers.
  • Synchronized Answer Keys: Dynamic PDF generation compiling question sets and matching teacher answer keys with independent or dual-document export.
  • Interactive Practice Mode: On-device practice with timed challenges, instant verification, and weak-spot performance review.

Flutter  ¡  Dart  ¡  Algorithmic Generation  ¡  PDF Vector Engine

Get MathSheet on Google Play

MathSheet Worksheet Generator Capture
Worksheet Generator Capture


MatrixLab Logo

03 // MatrixLab

Understand the mathematics behind the answer.
Linear Algebra & Exact Matrix Mathematics Studio

MatrixLab connects abstract linear algebra with interactive, deterministic computation—designed to provide transparent mathematical understanding rather than opaque black-box answers.

  • Exact Rational Arithmetic: Utilizes rational and BigInt computation to completely avoid IEEE-754 floating-point approximation drift.
  • Step-by-Step Derivations: Stepwise cofactor expansions, row echelon transformations, determinants, and matrix inversion with complete worked solutions.
  • Transformation Visualization: Interactive 2D affine transformation sandboxes, coordinate space projection, and printable practice worksheet generation.

Flutter  ¡  Dart  ¡  Linear Algebra  ¡  Exact Rational Math

Get MatrixLab on Google Play

MatrixLab Stepwise Matrix Inverse Capture
Exact Inverse Derivation Capture



Technical Disciplines

Curated technologies and environments applied across production mobile applications, backend services, and systems engineering.


📱 Mobile Systems Engineering

Primary specialization — local-first Android architectures.



Flutter  Flutter     Dart  Dart     Android  Android



Kotlin  Kotlin     Java  Java     Android Studio  Android Studio

⚙️ Backend & Architecture

Services, deterministic logic, and persistent storage.



Spring Boot  Spring Boot     PostgreSQL  PostgreSQL



MySQL  MySQL     PHP  PHP     Firebase  Firebase

🌐 Web Technologies

Client architecture, type systems, and web standards.



TypeScript  TypeScript     JavaScript  JavaScript



React  React     Next.js  Next.js

📐 Core Languages & Tooling

Systems foundations, mathematical tools, and version control.



C  C     C++  C++     Python  Python



Git  Git     VS Code  VS Code     IntelliJ IDEA  IntelliJ IDEA



Elyaro Labs Studio Logo

Elyaro Labs

INDEPENDENT SOFTWARE STUDIO ¡ MUMBAI, INDIA (19.0760° N, 72.8777° E)

"One Fold. Many Possibilities. Focused tools, built with uncommon care."
An independent software studio engineering local-first Android utilities designed for privacy, deterministic speed, and zero cloud bloat.


Visit Elyaro Labs Website


Connect on LinkedIn    View GitHub Profile    Explore Elyaro Labs


Isa Shaikh ¡ Registered Identity

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  1. Matrix-Calculator Matrix-Calculator Public

    Step-by-step matrix calculator with PyQt6 GUI. Supports 2×2 and 3×3 matrix operations like addition, subtraction, multiplication, determinant, and inverse — with detailed step-by-step solutions for…

    Python 1

  2. smartedu-platform smartedu-platform Public

    A full-stack, role-based e-learning platform built with a Java Spring Boot backend and a React/TypeScript frontend. Features distinct dashboards for instructors (course creation, analytics) and stu…

    TypeScript 2