A calculator, grapher and toolbox that runs completely inside your browser — no website or app needed.
Users
1,000
+997 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#31K
#26K among extensions
Version
1.2.0
updated 11 Oct 2026
Users
monthly, 1 months
Latest, 15 Oct 2026:1,000 usersMove the mouse over the chart for any month
Ratings count
monthly, 1 months
Latest, 15 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About TheQuickCalculator
TheQuickCalculator is a full calculator that lives inside your browser — no website or tab to keep open.
The free tier gives you the Quick Calculator, the complete Settings panel, and the Extras History and Timer tabs.
A one-time $1 purchase unlocks everything else: the graphing workspace, Notes, Ask Gemini, and every remaining Extras tab.
---Changelog---
TheQuickCalculator-1.2.0 (Latest)
New Graph Type:
3D Graph your shapes and surfaces with options to lower quality scale on lower devices, and have up to 100 equations, 10 for each color sheet.
Brand New Extras Features: Derivatives, AI Cheat Sheet Generator, AI Homework Helper and Questions Generator, Base Conversions.
Extras fixes and Add-ons: Added stopwatch laps, base conversions to the converter tab, scrollable history for AI chats. The AI now has the optional full access to what is on your calculator, such as what is in your graph, and what is in your calculator when you ask it a question. Fixed a bug with the timer not showing the banner.
Layout and Polish: Calculator now has easier to see buttons and better fits in all 3 viewing modes. Holding some keys will repeat it in the text box, and some open up menus for quick type common equations. Global Sound Effects volume slider added, as well as a 'whats new' tab for when upgrading versions. Expression length cap removed. Select tool for selecting lines on the graph. Fixed a bug where fullscreen mode stretched every tab abnormally.
Small Aesthetic Additions: Added and Reorganized more themes, with more customization, including adding your own background with any standard image file.. More sound effects.
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TheQuickCalculator-1.1.0
Customize your calculator:
Edit mode (rearrange/delete/add keys, edit the 2nd layer, two-wide keys, spare row, 3 profiles), expanded design presets with custom color pickers and an uploaded background, sound effects with four sound themes, and smooth animated previews.
Graphing: reworked polar pan/zoom, sideways bars, and donut pies. A new histogram, drag-to-move points with snapping, parameter sliders, theme-aware line contrast, line of best fit with table stats, and "fullscreen this graph".
Extras Additions: the Random tab (dice, coin flips, a weighted spinner wheel with odds-proportional wedges and keep/remove winner),
GPA and Grade calculators, roman ↔ words, and Notes with 25 rich-text pages.
Calculator smarts: fraction↔decimal toggle, precise bracket errors, hold-menus on ( ^ √, ANS shortcuts, 1/x, ≈, insert-stopwatch-time, and ABC variable keys.
Ask Gemini now draws what you ask for, counts daily key usage, separates offline from a bad key, and accepts images, PDFs or documents.
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TheQuickCalculator-1.0.1
2nd-layer alternates on the operator keys — holding 2nd turns ÷ × + − into y, x, < and >, with the variables italicized and readable on every design preset.
Extras opens Help first when paid, History when unpaid; the seasonal-banner toggle is hidden for unpaid users.
Timer got an hours box; donut (pie), Sideways (bar), a:b over c:d ratio layout, right-click "paste last answer", empty charts drawing their axes, no clipped donut labels, and per-tab chart options no longer leaking between tabs.
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TheQuickCalculator-1.0.0
Free Quick Calculator: full keypad, the 2nd layer, live answer preview, memory list, keyboard input, a/b fraction key, and the complete Settings panel (themes, colors, toggles).
Solve for x — 2x+3=11 → x = 4, plus inequalities and quadratic roots.
Graph panel — lines, curves, inequalities, shading, data points, pan/zoom, intersections and slopes, image export.
Extras — Help with Ask Gemini, unit converter, tip, loan, date and ratio tools.
Notes, right-click "Send selection to Quick Calculator", design presets and accent colors, a full-screen tab, and a side-panel build.