diff options
| -rw-r--r-- | const.go | 7 | ||||
| -rw-r--r-- | doc/const.1 | 4 |
2 files changed, 11 insertions, 0 deletions
@@ -2,12 +2,19 @@ package main import "math" +const ( + // Vacuum permettivity [C²/(N·m²)] + e0 = 8.8541878188e-12 +) + func parseConstant(s string) (float64, error) { switch s { case "pi": return math.Pi, nil case "e": return math.E, nil + case "e0": + return e0, nil } return 0, InvalidConstantErr{s} } diff --git a/doc/const.1 b/doc/const.1 index a4eb3b6..9c32108 100644 --- a/doc/const.1 +++ b/doc/const.1 @@ -7,3 +7,7 @@ Archimedes’ constant (π). .TP .B e Euler’s number (e). +. +.TP +.B e0 +Vacuum permettivity (ε₀) |