Calculator Guides
Short, practical guides for getting more out of the calculators.
- How to Use calcwindow.com
Learn how to open multiple calculator windows, drag and snap them, rename them and switch between Standard and Scientific modes.
- Scientific Calculator Guide
A practical guide to sin, cos, tan, logarithms, powers, factorials and modulo, with worked examples you can try.
- How to Calculate Percentages
Step-by-step percentage examples: percent of a number, discounts, price increases and percent change.
- How Currency Conversion Works
Understand exchange rates, the spread and fees, and how to use the converter for travel, shopping and transfers.