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Windows PDF editing with Reader OCR and selectable feature licences

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

Share files and links alongside phone-to-desktop controls

Draw publication figures with geometric snapping and LaTeX text

High-precision scientific calculation with reusable expressions

Scientific calculation with RPN and programmable functions

Turkish television packages with restart and recording features

Financial management across ledgers, billing and group reports

A supplemental maths programme built around visual puzzles and animated feedback.

Official GRE practice tests, vocabulary resources, maths review and test-maker guidance.

A maths learning platform with on-screen teachers, visual models, digital manipulatives and written problem-solving.

Everyday calculations with topic-specific explanations

Engineering worksheets that mix formulas and explanation

Symbolic transformations for very large expressions

Calculations in algebraic geometry and commutative algebra

Mathematical calculators arranged by course topic

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

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

Math input with worked examples across several subjects