nave@lemmy.ca to memes@lemmy.world · 2 days agoBenchwarmer to mvplemmy.caimagemessage-square5fedilinkarrow-up1165arrow-down16file-textcross-posted to: lemmyshitpost@lemmy.world
arrow-up1159arrow-down1imageBenchwarmer to mvplemmy.canave@lemmy.ca to memes@lemmy.world · 2 days agomessage-square5fedilinkfile-textcross-posted to: lemmyshitpost@lemmy.world
minus-squarelugal@lemmy.dbzer0.comlinkfedilinkarrow-up12·2 days agoThat’s one theory why x is used in math so much: in times of the printing press, the letter x was barely used so always free
minus-squaresga@lemmings.worldlinkfedilinkEnglisharrow-up7·2 days agoyes, if I am not wrong, very early writings used something else, but as printing was becoming common, they wanted to use something from standard typewriter keys, and x was a good option (it also helps even the wear out i think)
minus-squarelugal@lemmy.dbzer0.comlinkfedilinkarrow-up4·2 days agoI think they used whole sentences back in the days and it was in the printing press era that they started abbreviating things to letters and symbols
That’s one theory why x is used in math so much: in times of the printing press, the letter x was barely used so always free
yes, if I am not wrong, very early writings used something else, but as printing was becoming common, they wanted to use something from standard typewriter keys, and
xwas a good option (it also helps even the wear out i think)I think they used whole sentences back in the days and it was in the printing press era that they started abbreviating things to letters and symbols