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Mathematical and scientific calculators with practical forms

Civil and structural calculation tools in one collection

Radio and circuit calculations for component design

A common language for computational mathematics

Computer algebra with graphs, geometry and statistics

KDE’s desktop icon theme with webfont use and design guidance.

Solve and inspect mathematical expressions

Open-source computer algebra with familiar expression syntax

Audio conversion with ReplayGain and CD-ripping tools

Turn product usage into invoices with hosted or self-managed billing

Crypto tax reports with transaction checks and optional expert help

US sales tax reporting, calculation and optional automated return filing

Compare strategy experiments across assets, parameters and historical periods

A graphical environment for building measurement, instrument-control, and test applications with the G language.

Review UK crypto records with private account data and tax-year previews

Steam, condensate, water and air-system calculations

Specify institutional crypto data by venue, detail and usage rights

Manage marketplace listings, orders and the stock each channel can offer

Tax determination, electronic invoicing and reporting connected to finance data

Compare text contrast with its size, weight and colour direction in view.

AI platform for customs declarations and trade compliance across the UK, Ireland, and the EU.

Math and personal-finance calculation tools

Engineering worksheets that mix formulas and explanation

Mathematical worksheets with natural notation and units