Calca vs Craft

Calca is a powerful symbolic calculator that gives you instant answers as you type. It solves equations and simplifies complex expressions - it's a computer algebra system in your pocket! It's also a rich Markdown text editor so that you can explain your ideas alongside your calculations. Calca is perfect for professionals and students - anyone who works with numbers and equations. Variables and functions can be created with only a few keystrokes and can be manipulated with a rich library of operators and functions. Calca updates as you type - just like a spreadsheet. You can declare variables, edit their values and watch everything update before your eyes. Since everything is calculated on the device - no network needed - you get answers instantaneously. All calculations are stored as plain text so you can easily share them with other editors and move them from device to device. Calca has been designed to work with iCloud documents so all your devices can access your calculations - you'll always have the latest files ready for viewing and editing. Calca comes with a suite of examples to help you get started covering topics from home mortgages to kinetics. All these examples are fully explained within Calca itself. Are you still using a desktop calculator? Are you using the calculator with the giant buttons that came with your OS? Computers are much more capable than doing simple one-line arithmetic - put your machine to work with Calca! Calculation Features: • Variables `x = 42` • Functions `f(c) = 9/5*c + 32` and even recursive functions • Units `42 mph in kmph` and currency `¥599 in $` • Solves equations (`x + 2x + 4x = 42`, what is x?) • Matrices with inverses so you can solve linear equations • Sum, prod, map, and reduce operations on lists, matrices, and ranges • Trigonometry and complex numbers • Derivatives of functions • Logic operations and if statements • Binary math (& and |) and support for binary and hex number (`0xA9` and `0b1010`) • Keeps track of units (m, s, m/s, m/s^2, etc.) so you can verify your equations as you compute Please visit http://calca.io to see lots of examples. Thank you for looking!

Unleash your creativity and take control of your plans with Craft, a productivity app that transforms how you write, organize, and get things done. Create structured documents, manage tasks, organize your knowledge with Collections, and chat about it all with the AI Assistant. With seamless sync across iPhone, iPad, Mac, and the web, your workspace is always ready, online or offline. WRITE ANYWHERE, ANYTIME Your best ideas don’t wait for an internet connection. Work seamlessly offline with full access to all features, then let your changes sync automatically when you reconnect. Whether you’re on iPhone, iPad, or Mac, Craft keeps your writing experience consistent and powerful. AI ASSISTANT IS THERE TO HELP For seamless research, text editing, or searching across your entire knowledge base, Craft’s AI Assistant keeps you in flow on every device you use Craft on. Powered by advanced large language models, it finds any note, answers questions based on your content, and helps you stay on top of your knowledge without making you maintain a strict organizational system. BUILT-IN TASK MANAGEMENT Turn your ideas into action with our native Tasks system. Capture tasks as they emerge in your notes, manage them in a dedicated Inbox, and access them from any page with the Assistant’s help. Set target dates, due dates, and reminders to stay on track. With a unified tasks view, it’s the perfect balance between AI-powered fluidity and a dedicated, always-available space. STAY ON TOP OF YOUR DAY Make daily planning effortless with Daily Notes. Capture quick thoughts, plan your schedule, track tasks, or maintain your personal journal, all in one dedicated space. Switch to the calendar view to visualize your progress, reflect on your week, and understand how your days are shaping up. CONNECT YOUR DOCS TO OTHER TOOLS Turn Craft into the home for your whole workflow. Connect your documents to popular AI chat tools and productivity apps using deep integrations and APIs. Save conversations into Craft, pull in tasks, events, or other content from your existing tools, or even use your Craft documents as a CMS for powering a blog or website. EVERYTHING YOU NEED - Available on iPhone, iPad, Mac, and the web - Markdown and keyboard shortcuts - Link sharing and web publishing - Version history - Fast, reliable sync - Advanced integrations and API support - AI-powered Assistant - Incredible customer support WHAT’S NEW Craft Assistant: your smart partner to brainstorm, research, and write. It can help you find your notes across your space, rewrite and summarize documents, all while keeping you in the flow. MCP & API: connect Craft to AI models and other tools in your productivity stack, turning it into an organizational layer and live memory. Whiteboards: turn thoughts into visuals with a spacious canvas for sketching ideas, mapping projects, and collaborating creatively. QUESTIONS? Contact us on X at @craftdocs or email feedback@craft.do SUBSCRIPTION DETAILS If you purchase a Craft subscription, you’ll be charged via the payment method associated with your Apple ID. Your account will be charged for renewal within 24 hours of the end of the current period. You can turn off auto-renewal at any time in your account settings on the App Store. Craft subscriptions are available as one-month and 12-month packages. Prices may vary depending on country and are subject to change without notice. Current subscriptions cannot be canceled during the active subscription period. If you don’t choose to purchase a Craft subscription, you can continue using Craft for free. Terms of service: https://www.craft.do/terms Privacy policy: https://www.craft.do/privacy