Large Number than Double in VB

Hello everyone,
I want to make a power function which operates on large numbers. Very Very large numbers.
Say a^b where

I can take double & can work up to 11 digits or so, but I want it even more than that.
Can anyone suggest how I can work it out in VB 6.0.
Actually basically its an issue of datatype only. I want to have mechanism through which I can have larger datatype than the double.
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There are several projects that handle large numbers.
Here are a few:

BigNum Calculator(Correction 1 Jul 2007))

Big numbers library *BigNumLib*

BigMath 1.1 (updated July 8, 2007)


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Just use the Currency data type. Goes up to over 922 trillion.
922,337,203,685,477.5807 to be exact...
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Visual Basic Classic

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