Allthis is made possible by the expansion card slot, which lets usersexpand the built-in memory from 128 KB to a maximum of 1.256 MB orinstall application software that adds more advanced features to thecalculator.

• 这一切都是可能的扩充卡插槽；这让使用者扩充内建记忆体128kb至最高1.；256MB或安装应用软件这更增添先进功能的计算器