finance-metrics-quickref

SaaS 常用财务指标、公式与基准的快速参考手册。

快速查到 SaaS 常用财务指标的定义、计算公式和常见基准，能马上用在模型、报表或演示里避免公式记错。需要快速确认某个指标含义或对标参考时就用它，不是教学资料而是速查表。特点是面向速度和实用，复杂情形再去看更详尽的深度资料。

## Purpose

Quick reference for any SaaS finance metric without deep teaching. Use this when you need a fast formula lookup, benchmark check, or decision framework reminder. For detailed explanations, calculations, and examples, see the related deep-dive skills.

This is not a teaching tool—it's a cheat sheet optimized for speed. Scan, find, apply.

## Input

**Works best with:** The metric you need — name it and get the formula, benchmark, and decision context.
**Also useful:** Your numbers, if you want the formula applied on the spot.

Anything supplied with the invocation itself — text after the skill name, a pasted context dump, or an appended `ARGUMENTS:` line — counts as answers alread