Creating Calca - A symbolic calculator with markdown for iOS and more

Summary

This episode discusses the symbolic calculator app Kela, created by Frank Krueger. The discussion highlights its success, including being "fireballed" by John Gruber, and its impact on sales and app recognition within the Mac community. The practical takeaway is that Kela offers a reimagined approach to the calculator, functioning as a text editor, math environment, solver, and spreadsheet, providing a powerful new tool for users.