Wiadomo, że 0°C = 32°F

#!/usr/bin/env bash
# c2f.sh

# F = C x (9/5) + 32

C=$1
F=$(echo "scale=2; $C * (9/5) + 32" | bc -l)

# $C degrees Celsius is equal to $F degrees Fahrenheit
echo "$C°C = $F°F"

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