The Calculator That Keeps Your Notes, Too. Need to save numbers while you're calculating? CALKING combines a calculator and a notepad into one simple, powerful app. Save numbers and calculation results instantly, organize them with colorful sticky-note style memos, and keep everything easy to find. Perfect for shopping, budgeting, work estimates, expense tracking, travel planning, and everyday calculations. Features :abacus: Save calculations as you work Quickly save any number or calculation result to your memo board with a single tap. No more switching between your calculator and notes. :memo: Sticky note style memos Organize your calculations with colorful memo cards. You can also add your own notes to each memo, making it easy to remember what every number is for. :art: Color-coded organization Assign different colors to your memos and keep everything organized at a glance. Perfect for separating categories like: ・Expenses ・Income ・Shopping ・Estimates ・Projects :heavy_plus_sign: Calculate by color Need the total for just one category? CALKING lets you calculate the total of notes with the same color, or calculate the grand total of everything. Managing complex numbers has never been easier. :open_file_folder: Three separate memo boards Keep your calculations organized with three independent memo boards. For example: ・Personal ・Work ・Budget Switch between them whenever you need. Great for ・Shopping lists ・Household budgeting ・Expense tracking ・Business estimates ・Travel planning ・Schoolwork ・Everyday calculations Why CALKING? Most calculator apps only give you an answer. CALKING helps you remember where those numbers came from. It's the easiest way to calculate, organize, and keep track of your numbers—all in one place.