Greek letter sigma (σ) in Unicode = U+03C3; in JMP, use \!U03C3
Greek letter mu (μ) in Unicode = U+03BC; in JMP, use \!U03BC
subscript 1 (1) in Unicode = U+2081; in JMP, use \!U2081
superscript 2 (2) in Unicode = U+00B2; in JMP, use \!U00B2
To express x2 in Unicode, in JMP, use \!U0078\!U00B2.

Help created on 9/19/2017