History of Innovation
   Low Bandwidth Timeline  

Education Technology

1967
   • Electronic handheld calculator invented

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1971
   • Single-chip microcomputer placed in calculators

1972
   • TI-2500 Datamath™ calculator first TI consumer electronics product
   • TI-3000, TI-3500 introduced as first TI desktop calculators

1975
   • SR-52 scientific calculator introduced
   • First electronic watches introduced; used light-emitting diodes (LEDs)

1976
   • SR-60 programmable calculator introduced
   • SR-56 scientific calculator introduced
   • TI Little Professor™ introduced – first electronic educational toy

1977
   • TI-58 and TI-59 programmable scientific calculators introduced
   • Speak & Spell™ educational toy developed through TI’s IDEA program

1978
   • LCD (liquid-crystal display) watches introduced
   • Speak & Spell™ introduced – first commercial use of DSP technology

1979
   • TI 99/4 Home Computer introduced
   • Talking language translator product introduced

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1981
   • TI-1776 introduced, first solar-powered, four-function calculator

1982
   • Speak & Spell™ featured in blockbuster movie, “ET”

1983
   • Compact Computer 40™ introduced
   • Exit from home computer market announced

1987
   • TI-Explorer™ – first instructional calculator developed with teachers

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1990
   • TI-81 takes leadership position in handheld graphing technology

1992
   • TI-85 advanced graphing calculator introduced

1994
   • CBL™ (Calculator-Based Laboratory) data logging introduced
   • CBL is TI’s first handheld data-collection device for education

1995
   • TI-92 introduced, calculator with power of computer lab
   • Electronic toy business sold to Tiger Electronics

1996
   • CBR™ (Calculator-Based-Ranger) data logging introduced

1998
   • TI-89 introduced, electronically upgradeable graphing calculator
   • TI-73 introduced, first FLASH-based graphing calculator for middle grades

1999
   • TI-83 Plus introduced, FLASH ROM memory
   • CBL 2 introduced
   • TI Interactive™ computer software introduced for math education

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2000
   • 20 millionth graphing calculator shipped

2001
   • TI-83 Plus Silver Edition graphing calculator introduced
   • TI-Navigator™ classroom learning system introduced

2002
   • 35th anniversary of TI handheld calculator invention
   • Voyage™ 200 advanced graphing calculator introduced
   • TI debuts online professional development for teachers

2003
   • 25 millionth graphing calculator ships
   • Alliance with USA TODAY delivers technology-enabled math materials
   • Jason Project alliance delivers middle grades science, math activities

2004
   • TI-84 Plus family and TI-89 Titanium graphing calculators introduced

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