Simple calculator for basic arithmetic operations (addition, subtraction, multiplication, division). Use when performing calculations, converting units, or working with numbers.
64
76%
Does it follow best practices?
Run evals on this skill
Adds up to 20 points to the overall score
View guide
Passed
No findings from the security scan
Fix and improve this skill with Tessl
tessl review fix ./skills/skill-builder-generic/examples/calculator-skill/SKILL.mdPerform basic arithmetic calculations with step-by-step computation display.
Addition:
result = 15 + 27
# Result: 42Subtraction:
result = 100 - 42
# Result: 58Multiplication:
result = 6 * 7
# Result: 42Division:
result = 84 / 2
# Result: 42.0| Operation | Symbol | Example | Result |
|---|---|---|---|
| Addition | + | 10 + 5 | 15 |
| Subtraction | - | 10 - 5 | 5 |
| Multiplication | * | 10 * 5 | 50 |
| Division | / | 10 / 5 | 2.0 |
| Modulo | % | 10 % 3 | 1 |
| Exponent | ** | 2 ** 8 | 256 |
Calculate multi-step expressions:
# Order of operations (PEMDAS)
result = (10 + 5) * 2 ** 3 / 4
# Step 1: Parentheses: 10 + 5 = 15
# Step 2: Exponent: 2 ** 3 = 8
# Step 3: Multiplication: 15 * 8 = 120
# Step 4: Division: 120 / 4 = 30.0
# Result: 30.0# Celsius to Fahrenheit
celsius = 25
fahrenheit = (celsius * 9/5) + 32
# Result: 77.0°F
# Fahrenheit to Celsius
fahrenheit = 77
celsius = (fahrenheit - 32) * 5/9
# Result: 25.0°C# Meters to feet
meters = 10
feet = meters * 3.28084
# Result: 32.8084 feet
# Miles to kilometers
miles = 5
kilometers = miles * 1.60934
# Result: 8.0467 km// for integer division% for remainder (modulo)Version: 1.0 Last Updated: October 25, 2025 Example Type: Minimal skill (SKILL.md only)
93ed392
Also appears in
since Sep 12, 2026
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.