Which calculator company used the tagline 'Beyond Numbers' in its breakthrough 1970s marketing campaign that positioned its scientific calculators as essential tools for mathematicians?

Before digital calculators became ubiquitous, slide rules were the essential computational tool for mathematicians, engineers, and scientists. The transition to electronic calculators in the 1970s marked a revolutionary shift in mathematical computing. This poll explores how one company's innovative marketing campaign helped establish its dominance during this pivotal technological transformation.

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Texas Instruments with the SR-50
Hewlett-Packard with the HP-35
Casio with the fx-10
Sharp with the EL-8