fi'u _PA3 cmavo

digit/number: fraction slash; default "/n" => 1/n, "n/" => n/1, or "/" alone => golden ratio.

On affix form:

cfipu: x₁ (event/state) confuses/baffles x₂ [observer] due to [confusing] property x₃ (ka).

frinu: x₁ is a fraction, with numerator x₂, denominator x₃ (x₂/x₃).
rilsle: x₁ is the unit of a form of rhythm of x₂
rilsletei: x₁ is tempo of rhythmic movement x₂ with the unit x₃; x₁ is a time interval and corresponds to the unit x₃ of a form of rhythm of x₂.
risnyrilti: x₁ is the heart rate / heartbeat of x₂ with the unit (default 1) x₃
togyku'e: x₁ is a musical interval of size x₂ in tuning system x₃.
fei'u (exp!): Prefix division by following unit selbri
si'ei (exp!): numeric suffix: indicates that the number refers to portionality instead of cardinality
te'o'a (exp!): unary mekso operator: natural exponentiation operator exp, where exp(a) = e^{a \forall a}.
xi'i'ei (exp!): digit/number: Khinchin's constant K₀ = 2.6854520010…
stefanboltsemasi: x₁ is the black-body Stefan-Boltzmann sigma_SB constant [approximately equal to: 5.670373(21)×10⁽⁻⁸⁾ W/(m²×K⁴)], expressed in units x₂ (default: unitless/dimensionless and equal to pi^{2 / 480}) in paradigm/system/metaphysics/universe x₃ (default: this, our actual, physical universe)
xaudbo: x₁ is \sqrtA = \sqrt2×5 [decimal: 1\times10^+(1/2)] of x₂ in dimension/aspect x₃ (default is units).