Science
Solve Elec
Physicsbox(免费)CurveSnap
xoofee(免费)DG Nest Pro
Tangenta Ltd.(试用版)PCB Artist
4pcb(免费)Excel Regression Analysis
Business Spreadsheets(试用版)Karnaugh Minimizer
ShurikSoft(试用版)Graph Paper Printer
Philippe Marquis(试用版)KiCad
lis(免费)ECam - CNC Conversational Programming
dev(免费)Gears simulator
Jaume Dellunde(试用版)