Function Machine

Live two-stage function machine with Build, Guess and Reverse modes.

What it does

• Live [Input] -> [op1] -> [op2] -> [Output] chain
• Build mode (open chain) and Guess mode (chain hidden)
• Reverse mode for inverse-operation practice
• Up to two chained ops (+, -, *, /); Spacebar feeds

For UK primary teachers

Function Machine is part of the free EduMania Teaching Toolbox — 50+ classroom visualisers covering Maths, English, classroom utilities and wellbeing. No sign-up to try, designed for whiteboards and tablets, and aligned to the UK National Curriculum across EYFS, KS1 and KS2.

Open Function Machine now →