Basics

🔢Entering Numbers

You can enter integers, decimals, and numbers in scientific notation:

42; 3.14; 2.998e8; 1e-3

📐 Quantities with Units

170 km/h — use space between number and unit

5 W/(m^2*K) — no space within unit expression

5 W/m2K — shortcut exponential notation

For more details, see section Units

➗ Arithmetic Calculations

Use parentheses and standard operators:

(5 + 7) ^ 2 → 144

📩 Saving and Sharing Calculations

Copy and Paste Input

Type history to print the input history. Copy it, and paste it into a Word or a plain text document.

To restore, paste the input back to a new Calcumber session.

Share by link

Type share ➔ The printed URL contains the input.

💡Share it with your colleagues at work or school or in social media.

Privacy is maintained – the input is processed locally by the browser and not logged by the web server.