Vintage Texas Instruments Little Professor Electronic Calculator, Assembled In USA, Copyright 1976 : 無料・フリー素材/写真
Vintage Texas Instruments Little Professor Electronic Calculator, Assembled In USA, Copyright 1976 / France1978
| ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
|---|---|
| 説明 | From Wikipedia - The Little Professor is a backwards-functioning calculator designed for children ages 5 to 9. Instead of providing the answer to a mathematical expression entered by the user, it generates unsolved expressions and prompts the user for the answer. |
| 撮影日 | 2018-03-29 22:26:35 |
| 撮影者 | France1978 , USA |
| タグ | |
| 撮影地 | |
| カメラ | iS2132 , Polaroid |
| 露出 | 0.017 sec (1/60) |
| 開放F値 | f/4.2 |