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| author | rsc <devnull@localhost> | 2005-01-14 03:45:44 +0000 |
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| committer | rsc <devnull@localhost> | 2005-01-14 03:45:44 +0000 |
| commit | 78e51a8c6678b6e3dff3d619aa786669f531f4bc (patch) | |
| tree | 015e00fde4fc837fd31b705e18d17dc913829388 /man/man1/units.html | |
| parent | 2634795b5f0053bc0ff08e5d7bbc0eda8efea061 (diff) | |
| download | plan9port-78e51a8c6678b6e3dff3d619aa786669f531f4bc.tar.gz plan9port-78e51a8c6678b6e3dff3d619aa786669f531f4bc.tar.bz2 plan9port-78e51a8c6678b6e3dff3d619aa786669f531f4bc.zip | |
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diff --git a/man/man1/units.html b/man/man1/units.html new file mode 100644 index 00000000..fed0c287 --- /dev/null +++ b/man/man1/units.html @@ -0,0 +1,156 @@ +<head> +<title>units(1) - Plan 9 from User Space</title> +<meta content="text/html; charset=utf-8" http-equiv=Content-Type> +</head> +<body bgcolor=#ffffff> +<table border=0 cellpadding=0 cellspacing=0 width=100%> +<tr height=10><td> +<tr><td width=20><td> +<tr><td width=20><td><b>UNITS(1)</b><td align=right><b>UNITS(1)</b> +<tr><td width=20><td colspan=2> + <br> +<p><font size=+1><b>NAME </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + units – conversion program<br> + +</table> +<p><font size=+1><b>SYNOPSIS </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>units</font></tt> [ <tt><font size=+1>−v</font></tt> ] [ <i>file</i> ]<br> + +</table> +<p><font size=+1><b>DESCRIPTION </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <i>Units</i> converts quantities expressed in various standard scales + to their equivalents in other scales. It works interactively in + this fashion:<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>you have: inch<br> + you want: cm<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + * 2.54<br> + / 0.393701<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + </table> + </font></tt> + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + + + </table> + + </table> + A quantity is specified as a multiplicative combination of units + and floating point numbers. Operators have the following precedence:<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>+ − </font></tt> add and subtract<br> + <tt><font size=+1>* / x ÷ </font></tt> multiply and divide<br> + catenation multiply<br> + <tt><font size=+1>² ³ ^ </font></tt> exponentiation<br> + <tt><font size=+1>| </font></tt> divide<br> + <tt><font size=+1>(</font></tt> ... <tt><font size=+1>) </font></tt> grouping<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + + </table> + Most familiar units, abbreviations, and metric prefixes are recognized, + together with a generous leavening of exotica and a few constants + of nature including:<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>pi,</font></tt>π ratio of circumference to diameter<br> + <tt><font size=+1>c </font></tt> speed of light <br> + <tt><font size=+1>e </font></tt> charge on an electron <br> + <tt><font size=+1>g </font></tt> acceleration of gravity <br> + <tt><font size=+1>force </font></tt> same as <tt><font size=+1>g <br> + mole </font></tt> Avogadro’s number <br> + <tt><font size=+1>water </font></tt> pressure head per unit height of water <br> + <tt><font size=+1>au </font></tt> astronomical unit <br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + + </table> + The <tt><font size=+1>pound</font></tt> is a unit of mass. Compound names are run together, + e.g. <tt><font size=+1>lightyear</font></tt>. British units that differ from their US counterparts + are prefixed thus: <tt><font size=+1>brgallon</font></tt>. Currency is denoted <tt><font size=+1>belgiumfranc</font></tt>, + <tt><font size=+1>britainpound</font></tt>, etc. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + The complete list of units can be found in <tt><font size=+1>/usr/local/plan9/lib/units</font></tt>. + A <i>file</i> argument to <i>units</i> specifies a file to be used instead of + <tt><font size=+1>/usr/local/plan9/lib/units.</font></tt> The <tt><font size=+1>−v</font></tt> flag causes <i>units</i> to print + its entire database.<br> + +</table> +<p><font size=+1><b>EXAMPLE </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>you have: 15 pounds force/in²<br> + you want: atm<br> + + <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + * 1.02069<br> + / .97973<br> + + </table> + </font></tt> +</table> +<p><font size=+1><b>FILES </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>/usr/local/plan9/lib/units<br> + </font></tt> +</table> +<p><font size=+1><b>SOURCE </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + <tt><font size=+1>/usr/local/plan9/src/cmd/units.y<br> + </font></tt> +</table> +<p><font size=+1><b>BUGS </b></font><br> + +<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> + + Since <i>units</i> does only multiplicative scale changes, it can convert + Kelvin to Rankine but not Centigrade to Fahrenheit. + <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> + + Currency conversions are only as accurate as the last time someone + updated the database.<br> + +</table> + +<td width=20> +<tr height=20><td> +</table> +<!-- TRAILER --> +<table border=0 cellpadding=0 cellspacing=0 width=100%> +<tr height=15><td width=10><td><td width=10> +<tr><td><td> +<center> +<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a> +</center> +</table> +<!-- TRAILER --> +</body></html> |