• Zerush@lemmy.ml
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    20 hours ago

    Well, even an iPhone has an calculator by default (maybe with an monthly fe)

    • John A Critzman@lemmy.world
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      6 hours ago

      But when I’m at the club with my friends and I pull out the Pickett model N600-ES speed rule to calculate the tip, all the eyes are on me

      • Zerush@lemmy.ml
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        5 hours ago

        In my studies I used a doble side rule, the Faber-Castell 2/83 N Novo-Duplex, 31 scales, not so practical for the pocket (>38cm)