User adds =SHELL() and =PYTHON() to open-source Gridcraft in 10 minutes

arthurcolle · x · 2026-11-13

arthurcolle celebrates Gridcraft freeing spreadsheets from "Microsoft's rent-seeking," showing he added =SHELL(), =PYTHON() and =CSV.PARSER() commands in 10 minutes — with screenshots of forecast distributions, calibration stats and visualization panels running inside the sheet.

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