Commit f6817529 by Jay Belanger

* doc/misc/calc.texi (Basic Operations on Units): Streamline some

`  descriptions.`
parent 78cd48e7
 2013-03-09 Jay Belanger * calc.texi (Basic Operations on Units): Streamline some descriptions. 2013-03-08 Glenn Morris * faq.texi (Top): Don't say this was updated @today. ... ...
 ... ... @@ -27859,7 +27859,8 @@ while typing @kbd{u c au/yr @key{RET}} produces If the units you request are inconsistent with the original units, the number will be converted into your units times whatever ``remainder'' units are left over. For example, converting @samp{55 mph} into acres units are left over. (This can be disabled; @pxref{Customizing Calc}.) For example, converting @samp{55 mph} into acres produces @samp{6.08e-3 acre / m s}. (Recall that multiplication binds more strongly than division in Calc formulas, so the units here are acres per meter-second.) Remainder units are expressed in terms of ... ... @@ -27875,12 +27876,6 @@ change the @samp{s} to @samp{ms} to get @samp{9.8e-4 cm/ms^2}. The ``remainder unit'' @samp{cm} is left alone rather than being changed to the base unit @samp{m}. If you want to disallow using inconsistent units, you can set the customizable variable @code{calc-ensure-consistent-units} to @code{t} (@pxref{Customizing Calc}). In this case, if you request units which are inconsistent with the original units, you will be warned about it and no conversion will occur. You can use explicit unit conversion instead of the @kbd{u s} command to gain more control over the units of the result of an expression. For example, given @samp{5 m + 23 mm}, you can type @kbd{u c m} or ... ... @@ -27916,13 +27911,11 @@ prompt first for the old units which this value should be considered to have, then for the new units. (If the value on the stack can be simplified so that it doesn't contain any units, like @samp{ft/in} can be simplified to 12, then @kbd{u c} will still prompt for both old units and new units. You can ignore the prompt for old units with @key{RET}, or turn off the prompt by setting the customizable variable @code{calc-allow-units-as-numbers} to @code{nil}; @pxref{Customizing Calc}.) Assuming the old and new units you give are consistent with each other, the result also will not contain any units. For example, @kbd{@w{u c} cm @key{RET} in @key{RET}} converts the number 2 on the stack to 5.08. units and new units. This can be disabled; @pxref{Customizing Calc}.) Assuming the old and new units you give are consistent with each other, the result also will not contain any units. For example, @kbd{@w{u c} cm @key{RET} in @key{RET}} converts the number 2 on the stack to 5.08. @kindex u b @pindex calc-base-units
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