As soon as you remove paper from the equation, the costs change, the timing changes, the barriers to entry change, the risk changes.
一旦你把纸从方程中拿开，花费变了，时间变了，准入障碍变了，风险变了。
Menu based equation entry that can be used instead of, or in addition to, text entry.
基于菜单的方程条目，可以用来代替，或除了，文本输入。
Highly productive, text based equation entry system. Just type.
高效的，基于文本的方程输入系统。只需键入。
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