ENIAC, Electronic Numerical Integrator and Computer, Unveiled (1946)

ENIAC was an early electronic digital computer built in the US by engineers J. Presper Eckert and John W. Mauchly. The massive ENIAC weighed 30 tons, filled an entire room, and used some 18,000 vacuum tubes, 70,000 resistors, and 10,000 capacitors. After its official unveiling in 1946, it was used to prepare artillery-shell trajectory tables and perform other military and scientific calculations. When ENIAC solved its first test problem, it made calculations for what? Discuss