isosceles : geometry sketchpad app for iPhone and iPad

Isosceles is the perfect geometry drawing tool for students, teachers, and professionals.

GREAT FEATURES FOR EVERYONE
• The simple, versatile drawing tools (lines, circles, arcs, polygons, and conics) can be combined to create complex drawings.
• Isosceles automatically snaps new additions to nearby objects, keeping your drawing accurate so you can focus on the construction.
• Features like double/triple lines and point styles open up new uses for Isosceles, such as drawing chemical diagrams or graphs.
• Add text annotations and mathematical expressions anywhere in the drawing.
• Create smart text annotations that update their value based on the figures and calculations you type.
• Write or draw freeform on the canvas in addition to drawing geometric shapes.
• Insert images and graph functions directly in your sketches.
• Write or draw freeform on the canvas in addition to drawing geometric shapes.
• Switch between four distinct templates (Classical, Cartesian, Isometric, and Polar) to fit any kind of drawing.

FEATURES FOR TEACHERS
• Connect your iPad to a TV or projector to present class material or demonstrate a construction.
• Put together homework assignments quickly by constructing diagrams with Isosceles.
• View and edit information about any object, such as the length of a line or the circumference of a circle.
• Add marks to show congruency and parallel objects, extend lines, show live measurements, and more.

FEATURES FOR STUDENTS
• The handy notes sidebar accessible with a single tap makes taking notes in geometry effortless.
• Isosceles gives you access to 16 geometry activities and over 50 practice questions in 4 categories: Intro to Geometry, Lines, Circles, and Triangles.
• Solve construction problems and multiple choice questions after each tutorial to get the best preparation for geometry tests and the ACT/SAT.

FEATURES FOR PROFESSIONALS
• Isosceless smart snapping system takes care of neatness, letting you focus on making your clients happy with great designs.
• The isometric grid snaps figures as you draw, making 3D schematics easy.
• Take advantage of the simple yet versatile export options for sharing sketches with colleagues.
• LaTeX users: Create your geometric figures in Isosceles and import them as TikZ code into your LaTeX documents. This allows you to take advantage of the seamless LaTeX rendering without the hassle of learning to write TikZ code.

SHARE YOUR SKETCHES
• Isosceles automatically stores your sketches in iCloud so your documents are available across all your devices.
• Export to several file formats and destinations, including vector PDFs and AirPrint.
• Link your Dropbox or Box account to share your sketches to the cloud effortlessly!

In this free version you can access all drawing tools to create up to 2 sketches. Check out our Premium Features pack to take advantage of unlimited sketches, images and functions, iCloud sync, the Isometric and Polar geometry systems, and more great features. Or, buy Isosceles+ on the App Store, which includes all upgrades from this app.

Isosceles was designed and developed by a 17-year-old.

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