The most highly satisfactory use of the reverse-curve sign of integration used in calculus is for those two S-openings in the top of a violin.
In: T.A. Boyd, Professional Amateur (p. 209)
The most highly satisfactory use of the reverse-curve sign of integration used in calculus is for those two S-openings in the top of a violin.
In: T.A. Boyd, Professional Amateur (p. 209)