Texas Instruments TI-15 Explorer

Date of introduction:  October 7, 1999
 Available: Feb., 2000
Display technology:  LCD
New price:  $14.99 (SRP 2008) Display size:  11 +11 characters
Size:  6.8" x 3.2" x 0.50"
 172 x 82 x 13 mm3
Weight:  4.0 ounces, 112 grams Serial No:  
Batteries:  CR2032 (60A) Date of manufacture:  mth 10 year 2007 (A)
AC-Adapter:   Origin of manufacture:  China (K)
Precision:  13 Integrated circuits:  
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

TI-15_K1007_P1.jpg (318282 Byte)The first edition of the TI-15 Explorer was manufactured by by contract manufacturer Nam Tai Electronics, Inc. in China, this calculator purchased in 2008 was assembled by competitor Kinpo Electronics, Inc. in China, too.

TI-15_K1007_PCB.jpg (387290 Byte)TI-15_K1007_Back.jpg (249114 Byte)Dismantling this TI-15 Explorer reveals a typical Kinpo design: The Kinpo-internal SR-xx designation on the main printed circuit board (PCB) and a Fiberglass PCB for the keyboard instead the cheaper Phenolic PCB used by Nam Tai. We know a similar design e.g. with the TI-30X IIS.

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Joerg Woerner, January 16, 2009. No reprints without written permission.