Well more unsupported claims. Now you dismiss the math used by Descartes onwards. I know a little maths, not much but worked with electrical engineers who used them. Without imaginary numbers you cant have complex numbers... and so...

"Applications

Control theory

Improper integrals

Fluid dynamics

Dynamic equations

Electromagnetism and electrical engineering

Signal analysis

Quantum mechanics

Relativity

Geometry

Fractals

Triangles

Algebraic number theory

Analytic number theory"

"they do not inform on anything relevant, " sure...