: When first published in 1997, Mitra’s textbook departed from traditional DSP books by emphasizing as a central tool for solving complex signal problems. The Author’s Journey
, drew on his early career maintaining some of India's first computers in the 1950s. This hands-on background influenced his belief that "difficult things become easy" when students can simulate and visualize them through software. Global Impact : When first published in 1997, Mitra’s textbook
Example snippet of steps: