BoardMaker3 1.33.0022 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular version of the BoardMaker3 1.3. The actual developer of the program is Tsien (UK) Ltd. You can execute BoardMaker3 on Windows XP/7/8/10/11 32-bit. Commonly, this program's installer has the following filename: BM3.exe. BoardMaker3 belongs to Education Tools.
From the developer:
Like the PCB symbol editors, BoardMaker3 has a flexible system for handling schematic components. Components are divided into two parts. The first of these is the symbol which is the logical element of the component together with its graphical representation. In the case of an opamp for example, the graphic is drawn with three pins.
You may want to check out more software, such as SatCalc, MathMatic or MemBrain, which might be similar to BoardMaker3.