AroundReplace
AroundReplace[expr, {s1 -> Around[x1, δ1], s2 -> Around[x2, δ2], ...}] propagates uncertainty in expr by replacing all occurrences of si by Around[xi, δi].
AroundReplace[expr, rules, n] propagates uncertainty in expr using a series expansion to order n.
Examples
Propagate uncertainty through an expression:
AroundReplace[x + y, {x -> Around[10, 1], y -> Around[5, 0.5]}]
(* Around[15, 1.12] *)Please visit the official Wolfram Language Reference for more details.