Fact · Typing and writing speed
When the space bar is pressed, Half-QWERTY maps the characters of the missing hand onto the remaining keys in a mirror image.
Checked against its source on October 17, 2026
In the source's own words
“the missing characters are mapped onto the remaining keys in a mirror image”
One-handed touch-typing on a QWERTY keyboard, Edgar Matias et al., Human-Computer Interaction, 1996, The Half-QWERTY concept section.
Open the original- What it measures
- The mapping lets the typing hand make the movements it already knows, mirrored from the other hand's motions.
- What it does not show
- This is how the prototype works. Other one-handed layouts use different mappings.