Sigma Notepad Calculator
The notepad calculator iPhone never had.
What is Sigma Notepad Calculator?
Type math in plain English on iPhone. Write a line, results appear live in a second column. Edit anything, everything updates. Currencies, unit conversions, variables, aggregates, dates, math functions, hex. All inline, all editable. Free with three sheets. Pro unlocks unlimited sheets, iCloud sync, and export to PDF, Markdown, or plain text.
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