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+monitor-rechner
===Finanzamt klaeren===
===Finanzamt klaeren===
* 0365/639-1336 Fr.Pforr FA Gera
* 0365/639-1336 Fr.Pforr FA Gera
===Monitor Rechner: Welche Bildschirmdiagonale mit welchem Hoehen/Seitenverhaeltnis hat welche Flaeche===
<pre>
#!/bin/sh
func_inch2cm ()
{
awk -v VAR_INCH="$1" 'BEGIN{
print VAR_INCH*2.54
}'
}
func_area ()
{
awk -v X=$1 -v Y=$2 'BEGIN{
print X*Y
}' | cut -d'.' -f1
}
func_diag2xy ()
{
local DIAG="$1" # e.g.: 22"
local RATE="$2" # e.g.: 16:10 or 4:3
local RATE_X="${RATE%:*}"
local RATE_Y="${RATE#*:}"
# 19² = (4x)² + (3x)²
# 19² = 16x² + 9x²
# 19² = 25x²
# 19 = 5x
# 19/5 = x
# x = 3.8
awk -v DIAG=$DIAG -v RATE_X=$RATE_X -v RATE_Y=$RATE_Y 'BEGIN{
X=(DIAG/sqrt((RATE_X*RATE_X)+(RATE_Y*RATE_Y)))
print X*RATE_X":"X*RATE_Y
}'
}
echo "<html><head><title>Monitor-Rechner</title></head><body>"
echo "<table cellspacing=2 cellpadding=2 border=1>"
echo "<tr><td> Zoll\Verhältnis </td><td align=center> 4:3 </td><td align=center> 16:9 </td><td align=center> 16:10 </td></tr>"
for DIAG in 13 14 15 16 17 18 19 20 21 22 23 24 25 26; do {
echo "<tr><td align=center><a title='$( func_inch2cm $DIAG ) cm'> $DIAG </a></td>"
for RATE in "4:3" "16:9" "16:10"; do {
XY="$( func_diag2xy $DIAG $RATE )"
X="$( func_inch2cm ${XY%:*} )"
Y="$( func_inch2cm ${XY#*:} )"
echo "<td align=right><a title='X/Y.inch=$XY;X.cm=$X;Y.cm=$Y'> $(func_area $X $Y) cm<sup>2</a></sup></td>"
} done
echo "</tr>"
} done
echo "</table></body></html>"
</pre>
===GIT Tutorial===
===GIT Tutorial===