Unusual Responsive Calculator Feature: Bookmark 📑

💡 The opportunity

Boost a simple calculator by being able to save result and hold data for further reference

✏️ The feature

Switch between calculator and history mode, toggle your booksmarks in your history view. Name your bookmarks.

✍🏻 Pending

Taxonomy: is bookmark the right word for this? The icon works better than star or heart.

Interactions: Notifications, longpress to copy, edit on tap.

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