#!/usr/local/bin/dash

NUMBER=0
M=0
N=0
MULTIPLIER=1
TIMES_TEN=10
POWER=1
NO_DECIMAL=1

remove_decimal_point()
{
    NUMBER=$1
    M=${NUMBER%.*}
    N=${NUMBER#*.}
    MULTIPLIER=${#N}
    NO_DECIMAL=${M}${N}
}

multiplier()
{
    TIMES_TEN=$1
    POWER=1
    while [ ${TIMES_TEN} -ge 1 ]
    do
        POWER=$(( POWER * 10 ))
        TIMES_TEN=$(( TIMES_TEN - 1 ))
    done
}

remove_decimal_point 321.12345678

multiplier ${MULTIPLIER}

echo "Variables as global for this demo..."
echo "${NUMBER}"
echo "${M}"
echo "${N}"
echo "${NO_DECIMAL}"
echo "${MULTIPLIER}"
echo "${TIMES_TEN}"
echo ""
echo "Two calculations..."
echo "Firstly: Convert back to original string..."
printf "%.8f\n" "$(( NO_DECIMAL ))e-${MULTIPLIER}"
echo "Secondly: Two integers being divided and converted to FLOAT string..."
printf "%.8f\n" "$(( NO_DECIMAL / 11 ))e-${MULTIPLIER}"
echo "Confirm using Python..."
python -c "print( 321.12345678 / 11 )"

Last login: Thu Aug  8 16:51:21 on ttys000
AMIGA:amiga~> cd Desktop/Code/Shell
AMIGA:amiga~/Desktop/Code/Shell> ./Float_Test.sh
Variables as global for this demo...
321.12345678
321
12345678
32112345678
8
0

Two calculations...
Firstly: Convert back to original string...
321.12345678
Secondly: Two integers being divided and converted to FLOAT string...
29.19304152
Confirm using Python...
29.1930415255
AMIGA:amiga~/Desktop/Code/Shell> _