Skill

Calculator Skill

Use the Calculator MCP tools for exact mathematical calculations instead of approximating.

Install

Run in your terminal

npx claudepluginhub qazi0/claude-plugins --plugin calculator

Tool Access

This skill uses the workspace's default tool permissions.

Skill Content

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Stats

Parent Repo Stars7

Parent Repo Forks0

Last CommitMar 25, 2026

Actions

View Source View Plugin View on GitHub View README

Available Tools

calculate

Evaluate any mathematical expression safely using mathjs.

expression: "2^10 + sqrt(144)"

Supported syntax:

Arithmetic: +, -, *, /, ^, %

Functions: sqrt(), abs(), round(), ceil(), floor(), log(), log2(), log10(), exp()

Trigonometry: sin(), cos(), tan(), asin(), acos(), atan(), atan2()

Constants: pi, e, phi, i (imaginary)

Combinatorics: factorial(), combinations(), permutations()

Matrices: det(), inv(), transpose() with [[1,2],[3,4]] syntax

Complex numbers: 2 + 3i

convert

Convert a value between units.

value: 100 from_unit: "celsius" to_unit: "fahrenheit"

Supported unit categories: length, mass, time, temperature, volume, area, speed, force, energy, power, pressure, data storage, angle, frequency.

statistics

Compute descriptive statistics on a list of numbers.

numbers: [4, 8, 15, 16, 23, 42]

Returns: count, sum, mean, median, min, max, std_deviation, variance, range.

Calculator Skill

Use the Calculator MCP tools for exact mathematical calculations instead of approximating.

When to Use Calculator

Use these tools when you need to:

Evaluate any math expression with exact precision
Convert between units (length, mass, temperature, data, etc.)
Compute statistics on a dataset (mean, median, std deviation, etc.)
Verify a calculation rather than estimating

Available Tools

`calculate`

Evaluate any mathematical expression safely using mathjs.

expression: "2^10 + sqrt(144)"

Supported syntax:

Arithmetic: +, -, *, /, ^, %
Functions: sqrt(), abs(), round(), ceil(), floor(), log(), log2(), log10(), exp()
Trigonometry: sin(), cos(), tan(), asin(), acos(), atan(), atan2()
Constants: pi, e, phi, i (imaginary)
Combinatorics: factorial(), combinations(), permutations()
Matrices: det(), inv(), transpose() with [[1,2],[3,4]] syntax
Complex numbers: 2 + 3i

`convert`

Convert a value between units.

value: 100
from_unit: "celsius"
to_unit: "fahrenheit"

Supported unit categories: length, mass, time, temperature, volume, area, speed, force, energy, power, pressure, data storage, angle, frequency.

`statistics`

Compute descriptive statistics on a list of numbers.

numbers: [4, 8, 15, 16, 23, 42]

Returns: count, sum, mean, median, min, max, std_deviation, variance, range.

Best Practices

Use calculate for any math — don't approximate when you can get the exact answer
Use convert for units — more reliable than doing conversion math manually
Use statistics for datasets — returns all common descriptive stats in one call