ExpressionCaculator

Java expression calculator using queue, stack, postpix, infix and so on

It can caculate expressions like this :

INPUT : 23.3 *  (sin3+ 2.5)/ 43.2
OUTPUT : 1.3766071245476987

INPUT : {(tan45  +cos30) - sqrt4 * log100   }/   10
OUTPUT : -0.21339745962155615

INPUT : 5 / {(sin60 - 0.2) -30 * 20}
OUTPUT : -0.008342593965857868