Reference: http://adriweb.free.fr/t3/2014/Advanced_TI-Nspire_Lua_Programming.pptx, p.8
local list = {} for i = 1, 8000000 do list[i] = i end -- 1 timeStart = timer.getMilliSecCounter() for i = 1, #list do local value = list[i] end print("1: takes"..timer.getMilliSecCounter() - timeStart.." msec") -- 2 timeStart = timer.getMilliSecCounter() for _, v in pairs(list) do local value = v end print("2: takes"..timer.getMilliSecCounter() - timeStart.." msec")