Математика в линукс

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Mac-n-Cheese:~ nicolas$ echo "2/3" | bc 0 Mac-n-Cheese:~ nicolas$ echo "scale=2; 2/3" | bc .66 Mac-n-Cheese:~ nicolas$ echo "(2/3)+(7/8)" | bc 0 Mac-n-Cheese:~ nicolas$ echo "scale=2;(2/3)+(7/8)" | bc 1.53 Mac-n-Cheese:~ nicolas$ echo "scale=4;(2/3)+(7/8)" | bc 1.5416 Mac-n-Cheese:~ nicolas$ echo "scale=6;(2/3)+(7/8)" | bc 1.541666 Mac-n-Cheese:~ nicolas$ echo "(2/3)+(7/8)" | bc -l 1.54166666666666666666

1 2	Mac-n-Cheese:~ nicolas$ bc -l <<< "(2/3)+(7/8)" 1.54166666666666666666