1 “... Vince touches upon more esoteric topics such as quaternions, octonions, Grassmann algebra, Barycentric...”

2 “... and integral calculus. During this journey, the author touches upon more esoteric topics such as quaternions...”

3 “... upon more esoteric topics such as quaternions, octonions, Grassmann algebra, Barrycentric coordinates...”

4 “... the esoteric aspects of practical high performance computing through its use of solved problems, research case...”

5 “... into an interface, to far more esoteric items, like the air temperature inside a router. In spite of its name...”