Click on the screenshot thumbnails for larger image and more info about each electrical calculator.
Majority of lighting calculations do not require complex time-consuming software. Most of the time, what you need is a fast, accurate and easy to use tool that will help you do your job quickly. Lighting Calculator is the right tool for the job. Download.
Automates lighting calculation using Room Cavity Ratio technique. Once entered, parameters can be reused in future calculations. Built-in lumens data for popular lamps.
Enter values using mouse or keyboard in any sequence you like. Calculate Number of Fixtures for a given Lighting Level, or vice versa. Print compact results summary.
Does not require manual. All terms and definitions are explained on the screen. Values are dynamicaly updated as you change any of the variables.
"Electrical Calculator proves to be a useful and reliable application whose main purpose is to provide electrical engineers with the right tools when calculating the secondary transformer voltage and the transformer impendence coefficients." – Softpedia
"NEC Ampacity Calculator is an efficient piece of software ... dedicated to users that have an idea about electrical systems." – Softpedia