Compasswork Geometry

Compasswork brings the geometry exercise book to your iPad and iPhone: graph paper, compass, set square and ruler – true to scale, so at 100 % zoom 1 cm on screen is 1 cm in real life. Made by a maths teacher for secondary school geometry. CONSTRUCT LIKE ON PAPER • Compass: set the point, open it to a radius or take a length, turn the handle to draw an arc – or type the radius • Set square with millimetre and degree scales, 20 cm ruler • Points snap to intersections and endpoints, lengths to whole millimetres, angles to whole degrees • Apple Pencil draws, fingers pan and zoom, palm rejection keeps your hand out of the way • Labels, text, colours, highlighter, eraser and undo • Insert pictures, for example a task from the textbook CONSTRUCTION DESCRIPTION AND PLAYBACK • Compasswork works out from the drawing what was constructed and writes the steps as instructions • Playback: the construction is redrawn step by step – compass and set square move visibly • Have the steps read aloud and print them as a gap-fill text – great for language support LAB • Congruence theorems SSS, SAS, ASA and SSA with your own or random values, sketch and automatic check • Basic constructions: perpendicular bisector, angle bisector, perpendicular from a point, perpendicular, parallel, circumcircle, incircle and Thales circle • Step-by-step help: a hint, the next step, a ghost image, the solution • Solids and nets: cube, cuboid, prisms, pyramids, tetrahedron, octahedron, cylinder, cone and sphere – rotate, fold, surface area and volume • All 11 nets of a cube and the quiz "Is this a cube net?" FOR THE CLASSROOM • Share tasks as QR codes: students scan with the camera and start on their own sheet straight away • Results come back as QR codes, and the teacher sees an overview of the whole class • PDF export at original size, with grid and construction description if you like • Nets with glue tabs to print and build • Video of the playback for explainer videos and learning platforms • Folders and a backup of all sheets FREE AND FULL VERSION Free: all drawing tools, pictures, text and colours, playback with short descriptions, three sheets, and opening and checking QR tasks. The full version is a one-time in-app purchase, no subscription, shareable with Family Sharing. It unlocks unlimited sheets, the written-out description, the lab, PDF and video export, and creating QR tasks and collecting submissions. PRIVACY No ads, no account, no tracking. All sheets stay on your device.