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Preferences are under Settings > Account > Preferences. They control your interface theme, how numbers display, and how zeros appear in your model. These settings apply only to your account and don’t affect how other members see their data.

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Interface theme

Choose how Francis appears on your screen: Light, Dark, or System. System follows your device’s display settings.

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Number format

Choose between US and EU number formats. The format affects both how numbers display and how you write functions in Francis. US is the default.
USEU
NumbersComma as thousands separator, period as decimal (1,234.56)Period as thousands separator, comma as decimal (1.234,56)
FunctionsCommas separate function parametersSemicolons separate function parameters

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Zeros

Choose how zero values appear in your model: Dash (-), Blank, or Zero (0).