-- -*- M2-comint -*- hash: 1729182833266028421

i1 : 20!

o1 = 2432902008176640000

i2 : instances ZZ

o2 = HashTable{allowableThreads => 5     }
               debugLevel => 0
               defaultPrecision => 53
               engineDebugLevel => 0
               errorDepth => 0
               gbTrace => 0
               interpreterDepth => 1
               lineNumber => 2
               loadDepth => 3
               maxAllowableThreads => 5
               maxExponent => 1073741823
               minExponent => -1073741824
               numTBBThreads => 0
               o1 => 2432902008176640000
               oo => 2432902008176640000
               printingAccuracy => -1
               printingLeadLimit => 5
               printingPrecision => 6
               printingTimeLimit => 20
               printingTrailLimit => 5
               printWidth => 77
               recursionLimit => 300

o2 : HashTable

i3 : 
