DATAMATH CALCULATOR MUSEUM
Western Auto electronic Wizard aka M4987
|Date of introduction:||1976||Display technology:||LED-stick|
|New price:||Display size:||8|
|Size:||5.5" x 2.8" x 1.4"|
|Weight:||5.5 ounces||Serial No:||1024699|
|Batteries:||9V||Date of manufacture:||wk 15 year 1977|
|AC-Adapter:||AC9180||Origin of manufacture:||USA|
|Program steps:||Courtesy of:||Joerg Woerner|
This close relative of the TI-1250 followed the "electronic Wizard" introduced in 1975. Main difference is the changed nameplate and the confusing part number:
Citation(R) CALCULATOR BY TEXAS INSTRUMENTS
We noticed that part number already with the TI-1025 based Citation introduced in 1977.
The only difference to the TI-1250 are the wooden foil over the keyplate and the missing TI logo.
With the M4986 a similar calculator
without memory but different nameplates was sold.
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, June 14, 2003. No reprints without written permission.