LadyButterfly she/her@piefed.blahaj.zone to Science Memes@mander.xyzEnglish · 20 hours agoI dunnopiefed.cdn.blahaj.zoneimagemessage-square272fedilinkarrow-up1629arrow-down153
arrow-up1576arrow-down1imageI dunnopiefed.cdn.blahaj.zoneLadyButterfly she/her@piefed.blahaj.zone to Science Memes@mander.xyzEnglish · 20 hours agomessage-square272fedilink
minus-squarechonglibloodsport@lemmy.worldlinkfedilinkEnglisharrow-up4·8 hours agoActually: 2 <enter> 5 <enter> 8 <enter> 5 - x + 10 keystrokes I use RPN on my phone calculator for fun but it can also be annoying sometimes. On my CASIO FX-260 Solar II calculator (super cheap, really nice and simple but also powerful) that would be: 2 + 5 ( 8 - 5 ) = 9 keystrokes
minus-squareexcral@feddit.orglinkfedilinkEnglisharrow-up4·8 hours agoYou could do 8 <enter> 5 - 5 × 2 + -> 8 keystrokes
minus-squarechonglibloodsport@lemmy.worldlinkfedilinkEnglisharrow-up1·4 hours agoBut that’s a specific optimization where you can no longer read the numbers left to right, the original intent of RPN.
Actually:
2 <enter> 5 <enter> 8 <enter> 5 - x +
10 keystrokes
I use RPN on my phone calculator for fun but it can also be annoying sometimes.
On my CASIO FX-260 Solar II calculator (super cheap, really nice and simple but also powerful) that would be:
2 + 5 ( 8 - 5 ) =
9 keystrokes
You could do
8 <enter> 5 - 5 × 2 +-> 8 keystrokes
8 5 - 5 * 2 + CR .
But that’s a specific optimization where you can no longer read the numbers left to right, the original intent of RPN.