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A detailed, golden, antique calculating machine with an 'f' symbol, an open notebook with a pen, and a chalkboard with math equations in a dimly lit study.

A detailed, golden, antique calculating machine with an 'f' symbol, an open notebook with a pen, and a chalkboard with math equations in a dimly lit study.

Erstelle ein Bild einer Rechenmaschine für den Mathematikunterricht, die die Bezeichnung f für Funktion enthält. See more

#mathematics #vintage technology #education #illustration

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