From 000f37488a63f46accf98e01a36a52474deca29c Mon Sep 17 00:00:00 2001 From: Jay Belanger Date: Fri, 17 Aug 2007 19:55:46 +0000 Subject: [PATCH] (math-standard-units): Give exact conversion for tsp. --- lisp/calc/calc-units.el | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lisp/calc/calc-units.el b/lisp/calc/calc-units.el index ae94fc43ae1..3724490169a 100644 --- a/lisp/calc/calc-units.el +++ b/lisp/calc/calc-units.el @@ -89,7 +89,9 @@ ( ozfl "2 tbsp" "Fluid Ounce" ) ( floz "2 tbsp" "Fluid Ounce" ) ( tbsp "3 tsp" "Tablespoon" ) - ( tsp "4.92892159373 ml" "Teaspoon" ) ;; (approx) ESUWM + ;; ESUWM defines a US gallon as 231 in^3. + ;; That gives the following exact value for tsp. + ( tsp "492892159375*10^(-11) ml" "Teaspoon" ) ( vol "tsp+tbsp+ozfl+cup+pt+qt+gal" "Gallons + ... + teaspoons" ) ( galC "galUK" "Canadian Gallon" ) ( galUK "454609*10^(-5) L" "UK Gallon" ) ;; NIST -- 2.30.2