Subtractor using Operational Amplifier - Applications of Operational Amplifier
Op-Amp Difference Amplifier / Op-Amp Subtractor (w subtitles) - YouTube
Arithmetic Circuits
Op-amp Basics (part 2) : 9 Steps - Instructables
LM358-N: Help designing cascading amplifiers: voltage subtractor outputting to a non-inverting amplifier - Amplifiers forum - Amplifiers - TI E2E support forums
Op-Amp Differential Amplifier Circuit | Spiceman
Op-Amp as Difference Amplifier or Op-Amp as subtractor / Differential amplifier - YouTube
How does an op-amp as a subtractor work? - Quora
Subtractor
Op-amp subtractor - #61 by runaway_pancake - General Electronics - Arduino Forum
Subtraction circuit of an op-amp. | Download Scientific Diagram
Operational Amplifier as Voltage summation or adder and subtractor.