ten=10
ten=$((ten+=1))
echo $ten
echo $((100&&100))
#ten=$((100&&=100))

((N=10))
((Z=0))
echo $((N || ((Z+=1)) ))
echo $Z
#((N=10,Z=0))
#echo "$N and $Z"

#((N=10));((Z=0));((COUNT=1))
#((T=N>COUNT?++Z:--Z))
#echo $T

 
let "Var1=2#0101"
let "Var2=2#0110"
echo "$Var1 and $Var2"
echo $(( Var1 & Var2 ))
echo $(( Var1 && Var2 ))
echo $(( Var1 | Var2 ))
echo $(( Var1 || Var2 ))
echo $(( Var1 ^ Var2 ))
echo $(( \!Var1 ))
echo $(( Var1 < Var2 ))
echo $(( Var1 > Var2 ))