77
26
The R47: A new physical RPN calculator (swissmicros.com)
0
E⁻¹= E⁻ᵉ↑↑∞ (math.stackexchange.com)
28
The Strange Case of the Rogue HP-12c Calculator (dm319.github.io)
2
Aaaaxy: A nonlinear 2D puzzle platformer taking place in impossible spaces (divverent.github.io)
2
D-IX (wikipedia.org)
2