This can calculate numbers up to 10^2^2^10 / 10^2^1024 / 10^179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216 with thirteen different functions: Add Subtract Multiply Divide Power Root Weak Tetration Logarithm Set Show As Number Greater Than? Less Than? Equal To?
Try (3)*10^(10)^(6ΟΟΟ) (by the way, is the same as 30,000,000,000^6,000)! I used Os instead of zeroes because of filterbot