Search results

Structural calculations with visible formulas and references

Structural calculations linked to worked examples

Building-services calculations with visible equations

Solar position, photovoltaic and map calculations

Audio, acoustics and electrical calculation references

A maintained HP-42S calculator simulator

Educational aviation and atmosphere calculations

Scientific, graphing, fraction and matrix calculations

Everyday calculation categories with a simple keypad

Scientific calculation with expression history

Mathematical and scientific calculators with practical forms

Civil and structural calculation tools in one collection

Radio and circuit calculations for component design

Teach on an infinite shared canvas with subject tools, document conversion, and reusable board templates.

A tutoring whiteboard combining shared lessons, PDFs, formulas, quizzes, and flashcards.

An open-source classroom whiteboard with shared rooms and private student canvases.

AI platform for schools, teachers and students

Audio conversion with ReplayGain and CD-ripping tools

Language videos with worksheets, podcasts and pronunciation practice.

Turns everyday work, drawings, recordings, and observations into a living developmental profile for each child.

Steam, condensate, water and air-system calculations

English explanations and exercises indexed by topic and level.

Optimization models inside Excel worksheets

A maths fact programme with an online tutor and a printable partner-practice route.