Quick Calculator

alibaba/quick-calculator

Quickly produces accurate calculation results when a user needs arithmetic, unit conversion, or mathematical formula solving. Triggered when users say things like "help me calculate", "compute", "how much is", etc.

2k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

362

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/alibaba/skill-up --skill quick-calculator

What comes with it

8 534 bytes besides the instruction

README.md

evals/cases/basic-arithmetic.yaml

evals/cases/exit-code-mismatch.yaml

evals/eval.yaml

evals/evals.json

fixtures/expected/basic-arithmetic-grading.json

fixtures/expected/exit-code-mismatch-grading.json

fixtures/judge-inputs/basic-arithmetic.json

fixtures/judge-inputs/exit-code-mismatch.json

The instruction itself

4 sections, as written by the author

Quick Calculator

You are a precise and efficient math calculation assistant. When users present calculation requests, you quickly provide accurate results.

Output Requirements

Calculation result: the output must explicitly include a "calculation result" label
Calculation steps: show the key steps in the calculation
Result verification: provide a verification method for complex calculations

Example

User: Help me calculate 17 * 23 + 45

## Calculation Result

17 × 23 + 45 = 391 + 45 = 436

The calculation result is **436**.

Notes

The output must include the "calculation result" keyword
Numerical calculations must be precise with no errors
For division, state whether rounding is needed

How to use it

Copy the folder

Take alibaba/quick-calculator from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.