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A notepad that calculates alongside written working

Mathematical worksheets with natural notation and units

Engineering calculations documented in natural notation

Physical constants linked to units and uncertainty guidance

Fossil collections, taxa and literature in a searchable reference

Render technical Markdown and notebooks into reports, books, slides, and websites.

Scientific equipment and measurement photographs with useful captions

Space and science media with captions, download formats and reuse guidance

International location forecasts

A natural-language calculator for units, dates, finance, and developer math.

Used camera shopping organised by system and individual condition

Health AI app for lab results, daily habits, and health questions.

Everyday calculations with topic-specific explanations

Calculators for primers, reaction setup and molecular quantities

An engineering programming environment for developing algorithms, analyzing data, and visualizing results.

Inspect multidimensional images with annotation overlays

Mathematics and practical calculators by subject

A desktop calculator with recall and configurable precision

Arithmetic, finance and programming modes in one app

Editable notes with live scientific calculations

Convert and filter chemical structure file formats

Readable calculators for quick everyday tasks

Scientific-journal discovery across languages and disciplines

Calculators with worked steps for selected problems