工具：LibreOffice
步骤：
- 新建 Writer 文档；
- 插入 > 对象 > 公式；
-
%beta_i = {COV(R_i, R_m)} over { {%sigma_m} ^2 } = {%rho_{i,m} %sigma_i %sigma_m} over { {%sigma_m} ^2 } = %rho_{i,m} times { %sigma_i over %sigma_m }其中：% 为转意字符：%beta 会被转意为希腊字母 β，%sigma 会被转意为希腊字母 σ，%rho 会被转意为希腊字母 ρ.
Over 两侧的部分会被放置在横线除号上下。
花括号 { } 用于组合。
下划线 _ 表示下标。
^ 表示上标（幂）。
times 会被转意为交叉乘号。 - 点击Writer的空白处，得到结果：
Tips:
如何将公式导出为 PNG 等图像格式？（单击选择公式对象，复制粘贴为 GDI 元文件到新的 LibreOffice Draw 文档中，调整尺寸，然后右键 > 转换 > 变为位图，再右键 > 保存…
14 replies on “如何快速输入复杂的财务公式 — 以 β 系数为例”
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