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mhoffman/calc

Created November 7, 2017 17:42
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calc
#!/bin/bash
# Turn scientic notation of rational number
in="$(echo ${*} | sed -e 's/\([0-9.]\)[eE]\([0-9+-]\)/\1*10^\2/g' -e 's/--/+/g' )"
# calculate and turn back to scientific notation
printf "%.7f\n" $(echo "scale=63; ${in}" | bc ;exit)
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