Along with the release of iOS 10.3 earlier today, Apple has also updated its iWork suite of productivity apps with several new features, including the ability to open password-protected documents in each app using Touch ID and format text as superscript of subscript and change text background color. Pages 3.1 also allows users to bookmark document sections, use LaTeX and MathML notation, and import and export RTF documents. Numbers 3.1 improves the…