Calc Pad

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🧮 Calc Pad — Smart Calculator Notebook

Type math, text, or both. Results appear on the right.

Basic Math

• 100 + 200 → 300
• 1500 * 1.18 → 1,770
• (50 + 30) * 2 → 160
• 2 ^ 10 → 1,024

Variables

• price = 1500 → assigns 1,500
• tax = 18% → assigns 0.18
• price + price * tax → 1,770
• total = price * (1 + tax) → assigns 1,770

Percentages

• 1500 + 18% → 1,770 (adds 18%)
• 1500 - 10% → 1,350 (subtracts 10%)
• 200 as % of 800 → 25%
• 50% of 1200 → 600

Unit Conversions

• 100 km in miles → 62.14
• 72 kg in lbs → 158.73
• 98.6 F in C → 37°C
• 5 hours in minutes → 300
• 2 GB in MB → 2,048

Functions

• sqrt(144) → 12
• round(3.7) → 4
• ceil(3.2) → 4
• floor(3.8) → 3
• abs(-5) → 5
• min(3, 7, 1) → 1
• max(3, 7, 1) → 7
• log(100) → 2
• ln(2.718) → 1
• sin(45) / cos(45) / tan(45)
• pi → 3.14159…
• e → 2.71828…

Comments & Labels

• // this is a comment → ignored
• Hosting cost: 49 → result is 49
• --- subtotal --- → shows running total
• === grand total === → shows running total

Special

• previous or ans → last computed result
• sum or total → running total of all numeric results
• Click any result to copy it

Keyboard Shortcuts

• Enter — New line below
• Backspace on empty line — Delete line
• ↑/↓ — Navigate lines
• ⌘/Ctrl+N — New pad
• ⌘/Ctrl+E — Export
• ⌘/Ctrl+Shift+C — Copy all results
• ? when no line focused — Help
• Esc — Close modal