Constraint-Based Spreadsheet by Alex Warth
Icon credits:
"Plus" and "Cross" icons by Berkay Sargin, "Lock" and "Unlock" icons by Ugur Akdemir, "Warning" icon by Stefan Parnarov, "Relax" icon by Claire Jones, "Guru" icon by Icons8, "Stress" icon by Aenne Brielmann from the Noun Project.
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