This is a calculator with only one function (maybe i add more later): Multipication of large numbers (or high precision) that a computer usually cant handle. It understands decimal ("." or ",").
example: 1234.69358483749578838834890110001011345 * 0.0010259384758798788834884858034503640 = 1.2667196546068443648352771979711692959333790007008256644217493050837958 :) try this with your pocket calculator U can copy / paste input and result from the player.