1922 H. H. L. A. Brose tr. Weyl i. 53 The study of tensor-calculus is, without doubt, attended by conceptual difficulties—over and above the apprehension inspired by indices.
1944 G. B. Shaw ii. 22 Experts in the tensor calculus.
1981 July 95/1 Tensor calculus..was essential to Einstein's formulation of his general theory of relativity.