Standard computer's calculation are limited in size and resolution.
You can overcome these limitations using this BIG FLOATING NUMBERS Calculator.
The calculation engine has been totally rewritten to allow dealing with much, much greater numbers and decimal digits.
You are given the option to choose the biggest number you want to deal with (Exponent) and the number of decimals you want to use in your calculations (mantissa)
     Exponent           Max Number            Decimals
- 64                   ~ 10^(10^18)                152
- 128                 ~ 10^(10^37)                306
- 256                 ~ 10^(10^76)                614
- 384                 ~ 10^(10^114)              923
- 512                 ~ 10^(10^153)           1,230
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