The interface can be controlled by mouse in DOS; the arrows on the right are for moving around the worksheet via mouse.Before digging in too deeply, I should note that 1-2-3 does all of the VisiCalc things. A1-style cell references, slash / menu, fixed and relative cell references, @ functions including transcendentals, range .. specifier, + prefix for values, and on and on. It adds, it subtracts, it calculates interest. 1-2-3 "Yes, and..."s VisiCalc from there.
The basic form: a condition, a block, and optional else if / else chains. Braces are always required. Parentheses around the condition are optional.
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2007年前后，江苏、浙江、山东、河南等地诞生了雷丁、御捷、富路等一批“老头乐”制造企业，形成了年产100万辆的产业规模。不过随着老头乐安全事故频发等原因，御捷、雷丁等大部分老头乐企业或转型或消失。
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11. Memory Limit Exceeded for Query #