GATE Calculator

Official TCS iON replica virtual calculator for GATE aspirants. Works offline, in Side Panel, and on any tab for mock test practice.

Virtual Calculator for GATE Aspirants - Official TCS iON Replica. Practice for GATE 2026/2027 in Chrome Side Panel, offline, with zero distractions. The most accurate, fast, and distraction-free GATE Virtual Scientific Calculator for Google Chrome. Replicate the exact experience of the official TCS iON on-screen virtual calculator used by IITs and IISc in the computer-based GATE examination. Practice numerical questions seamlessly alongside your mock tests, video lectures, and PDF practice sheets without leaving your active tab. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📌 KEY FEATURES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • 100% Official TCS iON Replica: Identical layout, button positions, function sequences, and calculation precision as the real exam. • Chrome Side Panel Support: Open and pin the calculator directly in your browser's Side Panel while solving mock tests without tab switching or losing your active window. • Works 100% Offline: No internet connection needed. Instant loading, zero lag, and ultra-lightweight. • Dual Input Mode: Practice real exam conditions with mouse-only clicking, or enable keyboard shortcuts for fast daily problem-solving. • Full Scientific & Memory Operations: - Trigonometric & Inverse Trig (easy toggle between Degrees and Radians) - Logarithmic (ln, log10) & Exponential functions - Factorials, Square Roots, Cube Roots, Power (^), and Reciprocal (1/x) - Full Memory Functions (MC, MR, MS, M+, M-) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎯 PERFECT FOR ALL GATE STREAMS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Designed for engineering aspirants across all branches: • Computer Science & Information Technology (CS) & Data Science / AI (DA) • Mechanical Engineering (ME) • Electrical Engineering (EE) & Electronics & Communication (EC) • Civil Engineering (CE) • Chemical, Instrumentation, Aerospace, and all other disciplines • Also widely used for BARC, ISRO, ESE, and PSU recruitment exams. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💡 HOW TO OPEN IN SIDE PANEL ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Click the Side Panel icon in Chrome's top-right toolbar (next to your profile). 2. Select "GATE Calculator" from the dropdown. 3. Keep it pinned beside your test series or lecture notes! ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚠️ COMMON VIRTUAL CALCULATOR MISTAKES TO AVOID ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Value-First Input: Unlike handheld scientific calculators, the GATE virtual calculator uses operand-first entry (e.g., to find log(10), enter 10 first, then click "log"). • Deg vs. Rad Mode: Always check whether the question requires angles in Degrees or Radians before calculating trigonometric functions. • Practice mouse clicks early to build speed before exam day! ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🤝 SUPPORT & COMMUNITY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Built with ❤️ by Mannan Softworks (now Regiba Softworks) to help engineering students crack GATE. • If this extension helps you in your GATE preparation, please consider leaving a 5-star review to support future updates!