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Publish XML and HTML documents using XSL-FO or CSS

Cambridge's problem-solving maths resources with teacher, student and parent routes.

AI idea generators for advertising and creative work

Indoor cycling using real-world ride footage

Edited texts across Isaac Newton's varied writings

AI buyer clones for testing marketing and sales alignment

View text contrast through different vision and lighting simulations.

Inspect a full-screen colour-vision simulation across applications.

Exam preparation for real estate, appraisal and home inspection with vocabulary tools and simulated tests.

High-precision numerical expressions with custom functions

Math and electrical calculations in a compact tool directory

Engineering formulas, reference data and calculation tools

Symbolic expressions with documented algorithms

Symbolic calculation through a compact command interface

Scientific, graphing, fraction and matrix calculations

Math input with worked examples across several subjects

Apply revenue rules to obligations, contract changes and ledger entries

A browser simulation for exploring Git repositories

Scientific calculation with expression history

Calculators for work, study and household questions

Symbolic, numerical and number-theory calculators

Mathematical and scientific calculators with practical forms

An interactive deep-learning book joining code and mathematics

An interconnected reference for advanced mathematical ideas