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The geetrol is equal to {10,100,4 (1) 3} in BEAF.[1] The term was coined by Jonathan Bowers.

### Approximations and exact values in other notations Edit

Notation Approximation
Bird's array notation $$\{10,100,4 [2] 3\}$$ (exactly equal)
Cascading-E notation $$E100\#\text{^}\#100\#\text{^}\#100\#100\#100\#100$$
Hyperfactorial array notation $$100![4,2,1,2]$$
Fast-growing hierarchy $$f_{(\omega^{\omega}) 2+3}(100)$$
Hardy hierarchy $$H_{\omega^{(\omega^{\omega}) 2+3}}(100)$$
Slow-growing hierarchy $$g_{\vartheta((\Omega^\Omega) 2+2)}(100)$$

### Sources Edit

1. Bowers, JonathanInfinity Scrapers. Retrieved January 2014.

Jonathan Bowers' googol series

Googol series: googol(plex/duplex/triplex/quadraplex) · giggol(plex/duplex) · gaggol(plex/duplex) · geegol(plex) · gigol(plex) · goggol(plex) · gagol(plex)
Boogol series: boogol(plex/duplex/triplex) · biggol(plex/duplex) · baggol(plex) · beegol(plex) · bigol(plex) · boggol(plex) · bagol(plex)
Troogol series: troogol(plex/duplex) · triggol(plex) · traggol(plex) · treegol(plex) · trigol(plex) · troggol(plex) · tragol(plex)
Quintoogol series: quintoogol(plex) · quintiggol · quintaggol · quinteegol · quintigol · quintoggol · quintagol · (sextoogol · septoogol · octoogol)
Goobol series: goobol(plex) · gibbol · gabbol · geebol · gibol · gobbol · gabol
Boobol series: boobol · bibbol · babbol · beebol · bibol · bobbol · babol
Troobol series: troobol · tribbol · trabbol · treebol · tribol · trobbol · trabol