var math/big.natTen
2 uses
math/big (current package)
nat.go#L40: natTen = nat{10}
ratconv.go#L350: p = nat(nil).expNN(natTen, nat(nil).setUint64(uint64(prec)), nil, false)
The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)