Bash. How to remove syntax error?

5e4a7baebbc3d445578794.png

Did the calculation of real numbers.
The terminal continues to issue a syntax error.

Everything works fine, I do not understand why he complains.
How to remove this error from the terminal?
April 7th 20 at 15:28
3 answers
April 7th 20 at 15:30
Bash doesn't know how floating point numbers, only integers. Print operation into a calculator and read data from it.
April 7th 20 at 15:32
$ echo 5.32/4.3 | bc-l
1.23720930232558139534
April 7th 20 at 15:34
take the option in quotation marks
and the script was treated as arguments
./cancul2.sh "$1" "$2" "$3"

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