| Type | Alternate timeline technology |
| Originated | Hand-woven punch card calculators |
| Limitations | Limited computing power |
| Variations in | Usage • Focus |
| Developed into | Complex punch card software |
| Advancements in | Automation • Mechanization |
| Transitioned to | Fully digital applications |
| Advanced computing introduction | |
| Similar developments to our timeline | Personal computers • Internet • Smartphones |
