NEXATOOLS / LEARNING
Learn with worked examples
Clear explanations and calculators to test each idea.
01 / GUIDE
Ohm’s Law Explained: Voltage, Current and Resistance
Learn Ohm’s law with formulas, worked examples and practical circuit explanations. Check your answers with a free interactive calculator.
Read guide ↗02 / GUIDEHow to Calculate Electricity Use in kWh
Learn how to estimate kWh and electricity cost using watts, hours and the price per kWh, with a worked example.
Read guide ↗03 / GUIDEProfit Margin vs. Markup: Definitions and Examples
Understand the difference between profit margin and markup with formulas and a worked pricing example.
Read guide ↗04 / GUIDECompound Interest Explained Step by Step
Learn compound interest with a formula, worked example, periodic contributions and the limitations of financial projections.
Read guide ↗