Math Editor vs CombiPerm Calculator by CS

Create, customize and organize Math notes and presentations with friendly interface: • Enter fractions, square roots, exponents, subscripts, integrals, sums, products, limits, piecewise functions, matrices, and most other mathematical notations. • Import images from external sources, or create them with built in image editor. • Take handwritten notes with the image editor, optimized for Apple Pencil. • Create documents with headers, text content, formulas, matrices, images and written notes. Highlight, color code and choose from different fonts. • Use Apple’s Voice recognition plus Math Editor’s voice commands. Create your own voice and keyboard commands for formulas or matrices. • Convert documents into PDF format or image format and export the files. • Generate LaTeX strings from your typed entries. View string blocks between matching LaTeX delimiters. • Create presentations, record and export presentation videos. • Save your work on your device and in iCloud. Synchronize data between devices. Made for students, teachers, tutors, engineers, scientists, and anyone who needs polished custom Math notes on iPhone/iPad. Help is available. Dark mode is supported. We welcome feedback: graphmath@aol.com

CombiPerm Calculator helps you solve counting problems faster and understand the math behind every answer. Whether you are preparing for exams or practicing probability topics, CombiPerm gives you quick results plus guided learning tools. FEATURES - Permutation calculator (with and without repetition) - Combination calculator (with and without repetition) - Factorial calculator with readable outputs - Step-by-step solution breakdowns - Smart "Which Formula?" helper - Formula guide with examples and use cases - Repetition case explainer - Quiz practice across multiple difficulty levels - Progress stats and achievements - Calculation history PREMIUM (ONE-TIME PURCHASE) - Remove all ads - Unlimited step-by-step access - Unlimited history - Favorites saving - Full quiz question access - Export/share result tools - Future premium feature unlocks CombiPerm is built for students who want both speed and understanding.