Arithmetic Operations Shell Hackerrank Solution

A mathematical expression containing +,-,*,^, / and parenthesis will be provided. Read in the expression, then evaluate it. Display the result rounded to 3 decimal places.

Constraints

All numeric values are <= 999.

Sample Input 1

5+50*3/20 + (19*2)/7

Sample Input 2

-105+50*3/20 + (19^2)/7

Sample Input 3

(-105.5*7+50*3)/20 + (19^2)/7

Sample Output 1

17.929

Sample Output 2

-45.929

Sample Output 3

22.146

Arithmetic Operations Shell Solution

read line;

printf "%.3f" $(echo "scale = 4; $line" | bc);

Note: This problem (Arithmetic Operations) is generated by HackerRank but the Solution is Provided by shouterFolk. This tutorial is only for Educational and Learning purposes.