From: Jay Belanger Date: Fri, 17 Aug 2007 19:57:14 +0000 (+0000) Subject: (math-standard-units): Give exact conversion for tsp. X-Git-Tag: emacs-pretest-23.0.90~11469 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7026903cf303168725fa3091d5eeaa5f0134dc43;p=emacs.git (math-standard-units): Give exact conversion for tsp. --- diff --git a/lisp/ChangeLog b/lisp/ChangeLog index c9452fde9db..df38de29e08 100644 --- a/lisp/ChangeLog +++ b/lisp/ChangeLog @@ -1,3 +1,8 @@ +2007-08-17 Jay Belanger + + * calc/calc-units.el (math-standard-units): Give exact + conversion for tsp. + 2007-08-17 Bob Rogers (tiny change) * progmode/cperl-mode.el (cperl-look-at-leading-count) 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