TheQuickCalculator

A lightweight popup calculator with add, subtract, multiply, divide, and more.

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-1.1.0- latest 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. -------------------------------------------------------------------- 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. -------------------------------------------------------------------- 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.