math-calculator

name	math-calculator
description	Calculate simple mathematical expressions using shell commands. Use when the user asks to perform arithmetic calculations like addition, subtraction, multiplication, division, or more complex math expressions.
license	Apache-2.0
compatibility	Requires bash with bc (basic calculator)

Math Calculator Skill

This skill provides the ability to calculate mathematical expressions using shell commands.

When to Use

Use this skill when:

• Performing arithmetic calculations (add, subtract, multiply, divide)
• Evaluating mathematical expressions with parentheses
• Computing percentages or powers
• Any numeric computation requested by the user

Methods

Using bc (Basic Calculator)

The bc command is a powerful calculator that supports:

• Basic arithmetic: +, -, *, /
• Power: ^
• Parentheses for grouping
• Scale for decimal precision

Example:

echo "2 + 3 * 4" | bc
# Output: 14

  | bc


  | bc