little math puzzle. Map 1 0 -1 to 1 0.5 0

[Dieter]

(05-21-2018 08:15 PM)Logan Wrote:  How about:
7
x<>y
MOD

(05-21-2018 09:11 PM)Werner Wrote:  DSE X
SQRT

Nice – two very cool solutions.
If you have calculators with the respective commands, that is. ;-)
2 / INT probably is the most universal one.

Other solutions with more special commands:

2 INT÷ (HP35s)
2 IDIV (WP34s)
LN ROUNDI (WP34s)

Dieter