CAT On-Screen Calculator - Floating Overlay

A draggable CAT exam calculator that floats on top of any website while you practise. Free, no ads, collects no data.

USE THE CALCULATOR ON LOCAL PDFs Chrome blocks extensions on local files (file://) by default. To use the calculator on PDFs saved on your computer, turn on one setting. You only need to do this once. 1. Open your PDF in Chrome, then click the puzzle-piece (Extensions) icon in the toolbar. 2. Find "CAT On-Screen Calculator" and click the three-dot (More options) icon next to it. 3. Choose "Manage extension" from the menu. 4. Scroll down and turn on "Allow access to file URLs". 5. Reload your PDF tab and click the calculator icon. The calculator now floats over your local PDFs. Practising CAT questions on a mock-test website or coaching portal without a calculator? Click the toolbar icon to open a floating CAT on-screen calculator directly over the page. FEATURES • Exam-style calculator with memory keys, square root, reciprocal, and percentage functions. • Draggable overlay that remembers its last position. • Quick access: open or close with one click • Privacy-friendly: opens only when you activate it, on the current tab. No account required, no ads, and no data collected. NOTE Browser-restricted pages, such as the New Tab page, browser settings, and extension stores, do not allow the calculator to open. The extension displays a "!" indicator on these pages. It works on normal websites. This is an unofficial CAT practice tool and is not affiliated with or endorsed by the IIMs or the organisers of the CAT examination. Prefer a website? Use the calculator online: https://cat-calculator-delta.vercel.app/ Found a bug or have a suggestion? Report it on GitHub: https://github.com/Geetansh01/cat-calculator/issues