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Alan Dipert
Co-founder, RPN & spreadsheet fanboy
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GridCalc
RPN meets spreadsheets, for iOS
Feb 2026
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Joined Product Hunt
February 18th, 2026
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Alan Dipert
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3mo ago
GridCalc - RPN meets spreadsheets, for iOS
GridCalc combines the efficiency of Reverse Polish Notation with the structure and automatic recalculation of a spreadsheet, designed specifically for mobile. Build structured calculations step by step, and edit any value retroactively.
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