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Depth-of-field and hyperfocal calculations

Editable calculation tapes with comments and recalculation

Optimization models inside Excel worksheets

Cloud-service cost estimates with inspectable assumptions

Azure cost scenarios from selected services and usage

Room-mode calculations for rectangular and shaped rooms

A themeable game frontend for desktop and embedded systems

A free podcast publishing plugin for WordPress

Podcast hosting backed by a production team

Video hosting with AI search, transcripts and ad-free embeds

Convert subtitle batches while checking text and timing

Change PDF text and replace images on desktop

Simple PDF completion with embeddable business workflows

A free online tool that estimates dog breeds from a photo.

High-precision numerical expressions with custom functions

Formulas and notes arranged on a mathematical worksheet

Computational discrete algebra with a specialist language

Solve and inspect mathematical expressions

Algebra and calculus through dedicated solvers

Arbitrary-precision arithmetic that keeps track of units

A desktop calculator with recall and configurable precision

Arithmetic, finance and programming modes in one app

Date, number and measurement calculations

Programmable scientific arithmetic with saved formulas