Equalizer could be a funny name for a mathematician.
Happy Pi day!
For real though, Denzel didn't equalise anything. Everything he touched got worse. There's a moment where he talks about his motives for helping someone he barely knows and he talks about having the power.
Have a word with Spider-Man bud. The consequences of your actions led to the suffering of innocent third parties that otherwise wouldn't have been affected. Way to pull the lever to save one person.