⚡ Quick Summary: About Calc84
- What: A free TI-84 Plus CE calculator alternative for education.
- Founder: Miqdad Qaisrani, independent developer and CS graduate.
- Mission: Democratize access to advanced mathematics tools.
- Cost: 100% free, no registration required.
- Privacy: All calculations happen on your device. We never collect or store your math data.
- License: Free for educational use.
About Calc84: Democratizing Advanced Math Education
The Problem: Financial Barriers to STEM
For decades, advanced mathematics education has been gated behind expensive hardware. Physical graphing calculators often cost between $100–150 — a prohibitive expense for many students, schools in underfunded districts, and learners in developing countries. This creates an equity gap where access to tools determines access to learning, not ability or curiosity.
The Calc84 project was started in 2024 by indie developer Miqdad Qaisrani to eliminate that barrier. The mission is straightforward: build professional‑grade mathematics tools that run universally in web browsers, completely free. No subscriptions. No paywalls. No hardware requirements. Just pure, accessible mathematics.
The Founder's Story
Miqdad Qaisrani is a Computer Science graduate and full‑stack engineer who has been building educational software for over five years. During his own studies, he watched classmates struggle with the cost of mandatory graphing calculators — a problem that struck him as both unfair and unnecessary in the age of web browsers. He decided to build a solution that would put a fully functional TI‑84‑style calculator into every student’s pocket, for free, forever.
Starting as a passion project in late 2023, Calc84 launched publicly in early 2024 and has since grown into a complete mathematics suite used by students around the world. Every feature is designed with the classroom in mind, from the faithful TI‑BASIC programming environment to the hardware‑accelerated 2D/3D graphing engine.
Technical Philosophy: Local‑First Architecture
Calc84 runs all mathematical computations locally in your browser using WebAssembly and optimized JavaScript. Whether you’re graphing parametric equations, computing matrix determinants, or executing TI‑BASIC programs, the processing happens instantly on your device — your calculations never leave your computer. We use basic, anonymous analytics to understand site usage (no personal identifiers), but we never track your keystrokes, results, or assignments.
This local‑first approach ensures complete privacy compliance, zero latency, offline capability via the PWA, and zero server costs for heavy computation — keeping the tool free indefinitely.
The Calc84 Ecosystem
Calc84 has grown into a full mathematics suite covering high school and college coursework:
- Graphing Engine: Hardware‑accelerated 2D/3D plotting compatible with TI‑84 conventions.
- Matrix Laboratory: RREF, eigenvalues, matrix inversion, and transformation visualization.
- Statistics Suite: Probability distributions, regression analysis, and hypothesis testing.
- TI‑BASIC Editor: Faithful programming environment for algorithmic learning.
- Unit Converter: AI‑powered conversion for science and engineering.
- AI Math Solver: Step‑by‑step explanations to help you learn.
Our Values & Commitment
Accessibility: Every student deserves high‑quality math tools, regardless of economic background.
Transparency: Calc84 is built with privacy-first principles — no accounts required, no data collected beyond anonymous analytics.
Privacy by Design: We do not require accounts, we do not sell data, and we never use your calculations for any purpose other than your own learning.
Continuous Improvement: Calc84 is actively developed (current version v10.6.5) with regular updates driven by educator and student feedback.
Looking Ahead
Future work focuses on classroom collaboration features, expanded language support, and deeper integration with educational platforms — all while strictly maintaining the zero‑data architecture. If you’re a teacher, student, or developer who believes math education should be free, we’d love to hear from you.
Miqdad Qaisrani
Frequently asked questions about Calc84
Who created Calc84?
Calc84 was created by Miqdad Qaisrani, a Computer Science graduate and independent developer. He started the project in 2024 to eliminate the cost barrier that expensive graphing calculators place on students worldwide.
Is Calc84 really free? Will there be ads?
Yes, Calc84 is completely free to use for all students and teachers. The core mathematical tools will always remain free. In the future, we may display non‑intrusive advertisements to support development and hosting costs, but those will never interfere with the educational experience or collect your data.
Why was Calc84 created?
It was created to bridge the equity gap in STEM education. Traditional graphing calculators cost $100‑$150, locking out many students. Calc84 delivers the same functionality in a web browser for free, so every student can learn without financial obstacles.
How does Calc84 protect my privacy?
All mathematical computations run locally on your device using JavaScript and WebAssembly. Your equations, results, and assignments are never sent to any server. We only use completely anonymous analytics (no personal identifiers) to understand site usage. Read our full Privacy Policy for details.
Explore our calculator tools
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