Calculator
SkillDev toolsMath calculations and unit conversions
Available today. Use it from your connected AI after setup.
No other account needed.
Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the Calculator skill
What this skill tells your AI
The instructions your AI receives, as published by gebruder/wirken in skills/calculator/SKILL.md and read by ahel’s review.
Perform calculations using shell tools.
Arithmetic
- Basic math:
echo "scale=4; 355/113" | bc -l - Percentages:
echo "scale=2; 847 * 0.15" | bc -l - Powers:
echo "2^32" | bc - Square root:
echo "scale=4; sqrt(2)" | bc -l
Python (if available)
For complex math: python3 -c "import math; print(math.log2(1024))"
Unit conversions
- Bytes to human:
numfmt --to=iec 1073741824(gives 1.0G) - Human to bytes:
numfmt --from=iec 4G(gives 4294967296) - Temperature:
python3 -c "c=37; print(f'{c}C = {c*9/5+32}F')"
Date math
- Days between dates:
echo $(( ($(date -d 2025-12-31 +%s) - $(date +%s)) / 86400 )) days - Date in N days:
date -d "+30 days" +%Y-%m-%d - Timestamp to date:
date -d @1700000000
Signals
- GitHub stars
- 171
- Forks
- 5
- Last commit
- Sep 2026
Advanced
- Catalog kind
- skill
- Gateway key
calculator-gebruder- Source
- github.com/gebruder/wirken