Which calculator company's marketing strategy in 1972 is credited with effectively ending the slide rule era by positioning their product as 'The Electronic Slide Rule'?

Before calculators dominated the mathematics world, slide rules were the essential computational tools for engineers, scientists, and mathematicians. When electronic calculators emerged in the 1970s, one company made a bold marketing decision that sealed the fate of the slide rule industry. This trivia question explores how product positioning in the mathematics tool market created one of the most dramatic product transitions in educational technology history.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Texas Instruments with the TI-2500
Hewlett-Packard with the HP-35
Casio with the 14-A
Sharp with the EL-8