1. The resistor colour code converter Click to Download
2. The Ohm’s equation calculator Click to Download
3. Electronics Assistant V4.31 Electronics Assistant is a small program designed to perform basic electronics-related calculations. It includes a resistor colour code calculator, resistor, capacitor and potential divider calculators and more.
4. 555 Timer This program allows you to calculate Resistor and Capacitor values for both Astable and Monostable modes. Please note that this program was written using Visual Basic 4.0 Therefore it requires the Visual Basic 4.0 Runtimes.
5. CircuitMaker Student Edition is a free download, although it is no longer supported by the original developer. It still works fine under Windows XP. Here is a zipped file that contains the program and installer: Click here to download the ZIP file (5.67 MB)…
There is good on-line help in the student edition, but it often refers to the User Manual. If you really want to read further, here is the user-manual; it is a zipped PDF file: Click here to download the instruction manual (1.49 MB)…