Fbgadgets.blogspot.com

SLOPE CALCULATOR WITH GRAPH CODE

2015-10-01

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COPY AND PASTE BELOW CODE IN POST HTML SECTION
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<html>
<head>
<style type="text/css">
.CalcTable {
padding: 4px 6px;
border: solid #ddd 1px;
border-collapse: collapse
}
.CalcTitleCell {
background-color: transparent;
color: #1d487e;
font-family: Verdana, Arial, sans-serif;
font-size: 130%;
font-weight: bold;
text-align: center;
height: 30px
}
.CalcInstructCell {
padding: 5px;
border-bottom: solid #ddd 1px
}
.CalcRowTitleCell {
background-color: #ccc;
color: #1d487e;
font-family: Verdana, Arial, sans-serif;
font-size: 85%;
font-weight: bold;
text-align: left;
border: solid #ddd 1px
}
.CalcColCell {
background-color: #1d487e;
color: #fff;
font-family: Verdana, Arial, sans-serif;
font-size: 100%;
font-weight: bold;
text-align: center;
border: solid #ddd 1px
}
.CalcColCellLeft {
background-color: #1d487e;
color: #fff;
font-family: Verdana, Arial, sans-serif;
font-size: 100%;
font-weight: bold;
text-align: left;
padding-left: 5px;
border: solid #ddd 1px
}
.CalcColCellRight {
background-color: #1d487e;
color: #fff;
font-family: Verdana, Arial, sans-serif;
font-size: 100%;
font-weight: bold;
text-align: right;
border: solid #ddd 1px
}
.CalcRowOdd {
background-color: #eee
}
.CalcRowEven {
background-color: #fff
}
.CalcInDescCell {
padding-left: 5px;
padding-right: 5px
}
.CalcOutDescCell {
text-align: left
}
.CalcInFldCell {
text-align: right;
padding-right: 5px;
font-size: 8pt
}
.CalcOutFldCell {
text-align: right;
padding-right: 5px;
border-left: solid #ddd 1px;
border-right: solid #ddd 1px;
font-size: 8pt
}
.CalcInFld {
font-size: 8pt
}
.CalcInFldFix {
font-size: 8pt
}
.CalcSelectFix {
font-size: 8pt
}
.CalcOutFldOddFix {
border: medium none;
background-color: #eee;
font-weight: normal;
text-align: right;
font-size: 8pt
}
.CalcOutFldEvenFix {
border: medium none;
background-color: #fff;
font-weight: normal;
text-align: right;
font-size: 8pt
}
.CalcOutFldOdd {
border: medium none;
background-color: #eee;
font-weight: normal;
text-align: right;
font-size: 8pt
}
.CalcOutFldEven {
border: medium none;
background-color: #fff;
font-weight: normal;
text-align: right;
font-size: 8pt
}
.CalcOutFldBoldOdd {
border: medium none;
background-color: #eee;
font-weight: bold;
text-align: right;
font-size: 8pt
}
.CalcOutFldBoldEven {
border: medium none;
background-color: #fff;
font-weight: bold;
text-align: right;
font-size: 8pt
}
.CalcButtonCell {
text-align: center;
border: solid #ddd 1px
}
.CalcButton {}.CalcSummaryCell {
padding-left: 5px;
padding-right: 5px;
background-color: #fff;
border: solid #ddd 1px
}
.ChartTable {
border-collapse: collapse
}
.ChartBody {}.ChartColHead1 {
background-color: #1d487e;
color: #fff;
font-family: Verdana, Arial, sans-serif;
font-size: 100%;
font-weight: bold;
text-align: center;
border: solid #ccc 1px
}
.ChartColHead1Small {
background-color: #1d487e;
color: #fff;
font-family: Arial, sans-serif;
font-size: 80%;
font-weight: bold;
text-align: center;
border: solid #ccc 1px
}
.ChartColHead2 {
background-color: #ccc;
color: #1d487e;
font-family: Verdana, Arial, sans-serif;
font-size: 85%;
font-weight: bold;
text-align: center;
border: solid #ddd 1px
}
.ChartRowOdd {
background-color: #eee
}
.ChartRowEven {
background-color: #fff
}
.ChartTextCell {
text-align: center;
padding-left: 2px;
padding-right: 2px;
border: solid #ddd 1px
}
.ChartTextCellLeft {
text-align: left;
padding-left: 2px;
padding-right: 2px;
border: solid #ddd 1px
}
.ChartNumCell {
text-align: right;
padding-left: 2px;
padding-right: 2px;
border: solid #ddd 1px
}
.ChartNumCellSmall {
font-family: Arial, sans-serif;
font-size: 85%;
text-align: right;
padding-left: 2px;
padding-right: 2px;
border: solid #ddd 1px
}
.ChartSubCell {
text-align: right;
border-top: solid #000 2px;
border-left: solid #ddd 1px;
border-right: solid #ddd 1px;
font-weight: bold;
background-color: #ccc;
padding-left: 4px;
padding-right: 2px
}
.ChartTotCell {
text-align: right;
border-top: double #000 3px;
border-bottom: double #000 3px;
border-left: solid #ddd 1px;
border-right: solid #ddd 1px;
font-weight: bold;
background-color: #ccc;
padding-left: 4px;
padding-right: 2px
}
#dhtmltooltip {
position: absolute;
left: -300px;
width: 150px;
border: 1px solid #000;
padding: 2px;
background-color: #ffffe0;
visibility: hidden;
z-index: 100;
filter: progid: DXImageTransform.Microsoft.Shadow(color=gray, direction=135)
}
#dhtmlpointer {
position: absolute;
left: -300px;
z-index: 101;
visibility: hidden
}
.div_help {
font-family: arial, verdana, helvetica, sans-serif;
font-size: small;
text-align: left;
padding: 10px
}
.SideCalcTitleCell {
font-size: 100%;
background-color: #000;
font-weight: bold;
color: #fff
}
.SideCalcResult {
text-align: right;
width: 94%;
background-color: #eee;
border: solid #000 1px;
font-family: arial, sans-serif;
font-size: 11pt;
color: #000;
padding-right: 5px
}
.SideCalcNum {
font-weight: bold;
width: 30px
}
.SideCalcSign {
font-weight: bold;
color: #00f;
width: 30px
}
.SideCalcClr {
font-weight: bold;
width: 30px;
color: red
}
.SideCalcClrTape {
font-weight: bold;
width: 94%;
color: #000
}
.SideCalcTapeCell {
text-align: center;
background-color: #ccc;
border-top: solid #ccc 1px;
border-left: solid #ccc 1px;
border-right: solid #ccc 1px;
border-bottom: dashed #000 1px;
font-family: courier, arial, sans-serif;
font-size: 10pt;
color: #000;
padding-right: 0px;
padding-left: 0px
}
.BelowCalcTable {
border-collapse: collapse
}
.BelowCalcAdCell {}.BelowCalcColHead {
background-color: #ccc;
color: #1d487e;
font-family: Verdana, Arial, sans-serif;
font-size: 85%;
font-weight: bold;
text-align: center;
border: solid #ccc 1px
}
.BelowCalcImgHead {
background-color: #ccc;
text-align: center;
border: solid #ccc 1px
}
.BelowCalcLinkCell {
text-align: left;
padding-left: 2px;
padding-right: 2px;
border: solid #ddd 1px
}
.sppTable {
width: 300px;
border-collapse: collapse
}
.sppRow {
background-color: #ddd
}
.sppColHead {
background-color: #fff;
color: #1d487e;
font-family: Verdana, Arial, sans-serif;
font-size: 85%;
font-weight: bold;
text-align: center;
width: 240px;
border-left: solid #8f8fb3 1px;
border-top: solid #8f8fb3 1px
}
.sppImgHead {
background-color: #fff;
text-align: center;
width: 60px;
border-right: solid #8f8fb3 1px;
border-top: solid #8f8fb3 1px
}
.sppLinkCell {
font-size: 85%;
text-align: left;
padding-left: 2px;
padding-right: 2px;
border-left: solid #8f8fb3 1px;
border-bottom: solid #8f8fb3 1px;
border-right: solid #8f8fb3 1px
}
.fb_like_button {
border: 1px dotted #000;
background-color: #eee;
padding: 10px;
width: 320px;
float: right
}
.blogItItem {
margin: 18px 0;
padding: 0 12px;
border: 1px solid #ccc;
background: #eee;
box-shadow: 4px 4px 4px #ccc
}
.blogItItem h6 {
font-style: normal;
font-weight: normal;
font-size: 80%
}
.leftnav_heading {
text-align: center
}
.leftnav_heading a {
font-family: Arial, Helvetica, sans-serif;
font-size: 15px;
text-align: left;
line-height: 14px;
background-image: url();
color: #333;
text-decoration: none;
width: 169px;
height: 41px;
display: block;
font-weight: bold;
margin-top: 18px
}
.leftnav_heading a:hover {
background-image: url()
}
.leftnav_heading span {
display: block;
padding: 7px
}
.texttop {
font-size: 15px;
line-height: 14px;
color: #333;
text-shadow: 0px 0px 2px #fff;
margin-bottom: 10px
}
.textbottom {
color: #333;
font-size: 15px;
text-shadow: 0px 0px 2px #fff
}
#mobileBtnDiv {
display: none
}
@media only screen and (max-device-width: 640px) {
#mobileBtnDiv {
display: block;
width: 100%;
text-align: center;
padding: 10px
}
#mobileBtn {
display: inline-block;
text-align: center;
width: 50%;
font-size: 2em;
line-height: 2em;
background-color: #0f5378;
color: #fff;
text-decoration: none;
border-radius: 10px;
border: 1px solid #fff
}
#mobileBtn:hover {
background-color: #4cc2ce;
color: #087197
}
}
</style>
<script>
var mod_pagespeed_ohSsHvAfnA = "function reduce_fraction(v_numer,v_denom){if(v_numer<0&&v_denom<0){v_numer*=-1;v_denom*=-1;}\nvar max_gcf=0;if(v_numer>v_denom){max_gcf=v_numer;}else\nif(v_denom>v_numer){max_gcf=v_denom;}else{max_gcf=1;}\nvar v_gcf=1;var cnt=max_gcf;var mult_chk=0;while(cnt>0){if(v_numer%cnt==0&&v_denom%cnt==0&&mult_chk==0){v_gcf=cnt;mult_chk=1;}\ncnt--;}\nvar v_red_numer=v_numer/v_gcf;var v_red_denom=v_denom/v_gcf;var frac_str=\"\"+v_red_numer+\"/\"+v_red_denom+\"\";if(v_red_denom==1){frac_str=v_red_numer;}else\nif(v_red_numer==0){frac_str=0;}else\nif(v_red_denom==0){frac_str=\"undefined\";}\nreturn frac_str;}\nfunction calc_slope(form){var v_x1=document.calc.x1.value;var v_y1=document.calc.y1.value;var v_x2=document.calc.x2.value;var v_y2=document.calc.y2.value;if(v_x1.length==0){alert(\"Please enter a value for X1.\");document.calc.x1.focus();}else\nif(v_y1.length==0){alert(\"Please enter a value for Y1.\");document.calc.y1.focus();}else\nif(v_x2.length==0){alert(\"Please enter a value for X2.\");document.calc.x2.focus();}else\nif(v_y2.length==0){alert(\"Please enter a value for Y2.\");document.calc.y2.focus();}else\nif(v_x1==v_x2&&v_y1==v_y2){alert(\"Please enter two different points on the line in question.\");document.calc.x1.focus();}else{if(v_x1.indexOf(\"/\")>-1){var v_x1_ar=v_x1.split(\"/\");var v_x1_1=Number(v_x1_ar[0]);var v_x1_2=Number(v_x1_ar[1]);v_x1=v_x1_1/v_x1_2;}\nif(v_x2.indexOf(\"/\")>-1){var v_x2_ar=v_x2.split(\"/\");var v_x2_1=Number(v_x2_ar[0]);var v_x2_2=Number(v_x2_ar[1]);v_x2=v_x2_1/v_x2_2;}\nif(v_y1.indexOf(\"/\")>-1){var v_y1_ar=v_y1.split(\"/\");var v_y1_1=Number(v_y1_ar[0]);var v_y1_2=Number(v_y1_ar[1]);v_y1=v_y1_1/v_y1_2;}\nif(v_y2.indexOf(\"/\")>-1){var v_y2_ar=v_y2.split(\"/\");var v_y2_1=Number(v_y2_ar[0]);var v_y2_2=Number(v_y2_ar[1]);v_y2=v_y2_1/v_y2_2;}\nv_x1=Number(v_x1);v_x2=Number(v_x2);v_y1=Number(v_y1);v_y2=Number(v_y2);var max_pnt=Math.abs(v_x1);if(Math.abs(v_x2)>max_pnt){max_pnt=Math.abs(v_x2);}\nif(Math.abs(v_y1)>max_pnt){max_pnt=Math.abs(v_y1);}\nif(Math.abs(v_y2)>max_pnt){max_pnt=Math.abs(v_y2);}\nvar v_delta_x=Number(v_x2)-Number(v_x1);document.calc.delta_x.value=v_delta_x;var v_delta_y=Number(v_y2)-Number(v_y1);document.calc.delta_y.value=v_delta_y;var v_slope=\"\";var v_dec_slope=0;if(v_delta_x==0){document.calc.slope.value=\"undefined (vertical line)\";document.calc.y_int.value=\"undefined (vertical line)\";if(v_delta_y<0){document.calc.angle.value=\"-90\";}else{document.calc.angle.value=\"90\";}\ndocument.calc.dist.value=Math.abs(v_delta_y);document.calc.formula.value=\"x = \"+v_x1+\"\";var line_equation=\"y - y1 = m(x - x1)<br />\";line_equation+=\"y - (\"+v_y1+\") = \"+v_dec_slope+\"(x - (\"+v_x1+\"))<br />\";line_equation+=\"y = \"+v_dec_slope+\"x - ((\"+v_x1_mult+\") + (\"+v_y1+\"))<br />\";var sign=\" - \";var abs_y_int=Math.abs(y_intercept);if(y_intercept>0){sign=\" + \";}\nvar formula=\"\";if(v_dec_slope==-1){line_equation+=\"y = -x \";v_formula=\"y = -x \";}else\nif(v_dec_slope==1){line_equation+=\"y = x \";v_formula=\"y = x \";}else{line_equation+=\"y = \"+v_dec_slope+\"x \";v_formula=\"y = \"+v_dec_slope+\"x \";}\nif(abs_y_int!=0){line_equation+=\"\"+sign+\" \"+abs_y_int+\"\";v_formula+=\"\"+sign+\" \"+abs_y_int+\"\";}\nif(max_pnt>1300){document.getElementById(\"chart\").innerHTML=\"\";}else{document.getElementById(\"chart\").innerHTML=\"<div id='canvas' style='overflow:hidden;position:relative;width:600px;height:600px; background-color: white; margin: 0 auto;'></div>\";var v_scale=20;var v_origin_x=300;var v_origin_y=300;var v_grid=1;var v_new_x1=15;var v_new_x2=-15;if(max_pnt>15&&max_pnt<50){v_scale=5;v_origin_x=300;v_origin_y=300;v_grid=5;v_new_x1=50;v_new_x2=-50;}else\nif(max_pnt>49&&max_pnt<120){v_scale=2;v_origin_x=300;v_origin_y=300;v_grid=5;v_new_x1=120;v_new_x2=-120;}else\nif(max_pnt>119&&max_pnt<1300){v_scale=.2;v_origin_x=300;v_origin_y=300;v_grid=60;v_new_x1=1300;v_new_x2=-1300;}\nvar gr=new jsGraphics(document.getElementById(\"canvas\"));var col=new jsColor(\"#F6962B\");var pen=new jsPen(col,2);var bluePen=new jsPen(new jsColor(\"blue\"),1);var orangePen=new jsPen(new jsColor(\"#0F5378\"),1);var cht_x1=v_origin_x+(Number(v_x1)*v_scale);var cht_y1=v_origin_y-(Number(v_y1)*v_scale);var cht_x2=v_origin_x+(Number(v_x2)*v_scale);var cht_y2=v_origin_y-(Number(v_y2)*v_scale);var v_new_y1=(v_dec_slope*v_new_x1)+y_intercept;var v_new_y2=(v_dec_slope*v_new_x2)+y_intercept;var cht_new_x1=v_origin_x+(Number(v_new_x1)*v_scale);var cht_new_y1=v_origin_y-(Number(v_new_y1)*v_scale);var cht_new_x2=v_origin_x+(Number(v_new_x2)*v_scale);var cht_new_y2=v_origin_y-(Number(v_new_y2)*v_scale);var newpnt1=new jsPoint(cht_x1,0);var newpnt2=new jsPoint(cht_x2,600);gr.drawLine(pen,newpnt1,newpnt2);var pnt1=new jsPoint(cht_x1,cht_y1);var pnt2=new jsPoint(cht_x2,cht_y2);gr.drawLine(pen,pnt1,pnt2);gr.fillRectangle(new jsColor(\"#0F5378\"),new jsPoint(pnt1.x-1,pnt1.y-2),4,4);gr.fillRectangle(new jsColor(\"#0F5378\"),new jsPoint(pnt2.x-1,pnt2.y-2),4,4);var font=new jsFont(\"arial\",\"bold\",\"14px\");gr.drawText(\"Y\",new jsPoint(275,0),font,orangePen.color,30,\"center\");gr.drawText(\"X\",new jsPoint(575,285),font,orangePen.color,30,\"center\");if(v_y1>v_y2){gr.drawText(\" (\"+v_x1+\", \"+v_y1+\")\",new jsPoint(pnt1.x,pnt1.y-v_scale),font,bluePen.color,90,\"left\");gr.drawText(\" (\"+v_x2+\", \"+v_y2+\")\",new jsPoint(pnt2.x,pnt2.y),font,bluePen.color,90,\"left\");}else{gr.drawText(\" (\"+v_x1+\", \"+v_y1+\")\",new jsPoint(pnt1.x,pnt1.y),font,bluePen.color,90,\"left\");gr.drawText(\" (\"+v_x2+\", \"+v_y2+\")\",new jsPoint(pnt2.x,pnt2.y-v_scale),font,bluePen.color,90,\"left\");}\ngr.setScale(v_scale);gr.setOrigin(new jsPoint(v_origin_x,v_origin_y));gr.setCoordinateSystem(\"cartecian\");gr.showGrid(v_grid);}\nvar tbl=\"<table style='margin: 10px auto;'>\";tbl+=\"<tr><th colspan='2'>Slope Solution</th></tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>Y<sub>2</sub> - Y<sub>1</sub></td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>X<sub>2</sub> - X<sub>1</sub></td>\";tbl+=\"</tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>(\"+v_y2+\") - (\"+v_y1+\")</td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>(\"+v_x2+\") - (\"+v_x1+\")</td>\";tbl+=\"</tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>\"+v_delta_y+\"</td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>\"+v_delta_x+\"</td>\";tbl+=\"</tr>\";tbl+=\"<tr><td><em>m</em> = </td>\";tbl+=\"<td>undefined</td>\";tbl+=\"</tr>\";tbl+=\"</table>\";tbl+=\"<table style='margin: 10px auto;'>\";tbl+=\"<tr><th>Straight Line Equation</th></tr>\";tbl+=\"<tr><td>x = \"+v_x1+\"</td></tr>\";tbl+=\"</table>\";var v_summary=\"<br /><img src='http://2.bp.blogspot.com/-OISXIvXpGKY/VemlOfQesMI/AAAAAAABYyw/ZZV6tu4TKcg/s72-c/BASIC%2BJAVA%2BCALCULATOR.png' width='60' height='54' class='ItemLeft' />\";v_summary+=\"According to my calculations, the slope of a straight line passing through \";v_summary+=\"points (\"+v_x1+\",\"+v_y1+\") and (\"+v_x2+\",\"+v_y2+\") would be <strong>undefined</strong>, \";v_summary+=\"as the line is a vertical line.\";v_summary+=\"<p>The following is how I solved for the slope, as well as the formulation of the \";v_summary+=\"resulting straight line equation. I will also include an attempt at graphing the \";v_summary+=\"points and the equation if the maximum absolute values of the x's and y's are \";v_summary+=\"less that 1300.</p>\";document.getElementById(\"summary\").innerHTML=v_summary+\"\"+tbl;}else\nif(v_delta_y==0){document.calc.slope.value=\"0 (horizontal line)\";document.calc.y_int.value=v_y1;document.calc.angle.value=\"0\";document.calc.dist.value=Math.abs(v_delta_x);document.calc.formula.value=\"y = \"+v_y1+\"\";var line_equation=\"y - y1 = m(x - x1)<br />\";line_equation+=\"y - (\"+v_y1+\") = \"+v_dec_slope+\"(x - (\"+v_x1+\"))<br />\";line_equation+=\"y = \"+v_dec_slope+\"x - ((\"+v_x1_mult+\") + (\"+v_y1+\"))<br />\";var sign=\" - \";var abs_y_int=Math.abs(y_intercept);if(y_intercept>0){sign=\" + \";}\nvar formula=\"\";if(v_dec_slope==-1){line_equation+=\"y = -x \";v_formula=\"y = -x \";}else\nif(v_dec_slope==1){line_equation+=\"y = x \";v_formula=\"y = x \";}else{line_equation+=\"y = \"+v_dec_slope+\"x \";v_formula=\"y = \"+v_dec_slope+\"x \";}\nif(abs_y_int!=0){line_equation+=\"\"+sign+\" \"+abs_y_int+\"\";v_formula+=\"\"+sign+\" \"+abs_y_int+\"\";}\nvar v_slope_str=\"\"+v_slope+\"\";if(max_pnt>1300){document.getElementById(\"chart\").innerHTML=\"\";}else{document.getElementById(\"chart\").innerHTML=\"<div id='canvas' style='overflow:hidden;position:relative;width:600px;height:600px; background-color: white; margin: 0 auto;'></div>\";var v_scale=20;var v_origin_x=300;var v_origin_y=300;var v_grid=1;var v_new_x1=15;var v_new_x2=-15;if(max_pnt>15&&max_pnt<50){v_scale=5;v_origin_x=300;v_origin_y=300;v_grid=5;v_new_x1=50;v_new_x2=-50;}else\nif(max_pnt>49&&max_pnt<120){v_scale=2;v_origin_x=300;v_origin_y=300;v_grid=5;v_new_x1=120;v_new_x2=-120;}else\nif(max_pnt>119&&max_pnt<1300){v_scale=.2;v_origin_x=300;v_origin_y=300;v_grid=60;v_new_x1=1300;v_new_x2=-1300;}\nvar gr=new jsGraphics(document.getElementById(\"canvas\"));var col=new jsColor(\"#F6962B\");var pen=new jsPen(col,2);var bluePen=new jsPen(new jsColor(\"blue\"),1);var orangePen=new jsPen(new jsColor(\"#0F5378\"),1);var cht_x1=v_origin_x+(Number(v_x1)*v_scale);var cht_y1=v_origin_y-(Number(v_y1)*v_scale);var cht_x2=v_origin_x+(Number(v_x2)*v_scale);var cht_y2=v_origin_y-(Number(v_y2)*v_scale);var v_new_y1=(v_dec_slope*v_new_x1)+y_intercept;var v_new_y2=(v_dec_slope*v_new_x2)+y_intercept;var cht_new_x1=v_origin_x+(Number(v_new_x1)*v_scale);var cht_new_y1=v_origin_y-(Number(v_new_y1)*v_scale);var cht_new_x2=v_origin_x+(Number(v_new_x2)*v_scale);var cht_new_y2=v_origin_y-(Number(v_new_y2)*v_scale);var newpnt1=new jsPoint(0,cht_y1);var newpnt2=new jsPoint(600,cht_y2);gr.drawLine(pen,newpnt1,newpnt2);var pnt1=new jsPoint(cht_x1,cht_y1);var pnt2=new jsPoint(cht_x2,cht_y2);gr.drawLine(pen,pnt1,pnt2);gr.fillRectangle(new jsColor(\"#0F5378\"),new jsPoint(pnt1.x-1,pnt1.y-2),4,4);gr.fillRectangle(new jsColor(\"#0F5378\"),new jsPoint(pnt2.x-1,pnt2.y-2),4,4);var font=new jsFont(\"arial\",\"bold\",\"14px\");gr.drawText(\"Y\",new jsPoint(275,0),font,orangePen.color,30,\"center\");gr.drawText(\"X\",new jsPoint(575,285),font,orangePen.color,30,\"center\");if(v_y1>v_y2){gr.drawText(\"(\"+v_x1+\", \"+v_y1+\")\",new jsPoint(pnt1.x,pnt1.y-v_scale),font,bluePen.color,90,\"left\");gr.drawText(\"(\"+v_x2+\", \"+v_y2+\")\",new jsPoint(pnt2.x,pnt2.y),font,bluePen.color,90,\"left\");}else{gr.drawText(\"(\"+v_x1+\", \"+v_y1+\")\",new jsPoint(pnt1.x,pnt1.y),font,bluePen.color,90,\"left\");gr.drawText(\"(\"+v_x2+\", \"+v_y2+\")\",new jsPoint(pnt2.x,pnt2.y-v_scale),font,bluePen.color,90,\"left\");}\ngr.setScale(v_scale);gr.setOrigin(new jsPoint(v_origin_x,v_origin_y));gr.setCoordinateSystem(\"cartecian\");gr.showGrid(v_grid);}\nvar tbl=\"<table style='margin: 10px auto;'>\";tbl+=\"<tr><th colspan='2'>Slope Solution</th></tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>Y<sub>2</sub> - Y<sub>1</sub></td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>X<sub>2</sub> - X<sub>1</sub></td>\";tbl+=\"</tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>(\"+v_y2+\") - (\"+v_y1+\")</td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>(\"+v_x2+\") - (\"+v_x1+\")</td>\";tbl+=\"</tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>\"+v_delta_y+\"</td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>\"+v_delta_x+\"</td>\";tbl+=\"</tr>\";tbl+=\"<tr><td><em>m</em> = </td>\";tbl+=\"<td>0</td>\";tbl+=\"</tr>\";tbl+=\"</table>\";tbl+=\"<table style='margin: 10px auto;'>\";tbl+=\"<tr><th>Straight Line Equation</th></tr>\";tbl+=\"<tr><td>y = \"+v_y1+\"</td></tr>\";tbl+=\"</table>\";var v_summary=\"<br /><img src='http://2.bp.blogspot.com/-OISXIvXpGKY/VemlOfQesMI/AAAAAAABYyw/ZZV6tu4TKcg/s72-c/BASIC%2BJAVA%2BCALCULATOR.png' width='60' height='54' class='ItemLeft' />\";v_summary+=\"According to my calculations, the slope of a straight line passing through \";v_summary+=\"points (\"+v_x1+\",\"+v_y1+\") and (\"+v_x2+\",\"+v_y2+\") would be 0, since the line is \";v_summary+=\"horizontal (no change in y).\";v_summary+=\"<p>The following is how I solved for the slope, as well as the formulation of the \";v_summary+=\"resulting straight line equation. I will also include an attempt at graphing the \";v_summary+=\"points and the equation if the maximum absolute values of the x's and y's are \";v_summary+=\"less that 1300.</p>\";document.getElementById(\"summary\").innerHTML=v_summary+\"\"+tbl;}else{v_slope=reduce_fraction(v_delta_y,v_delta_x);v_dec_slope=v_delta_y/v_delta_x;var v_angle=(Math.atan(v_dec_slope))*180/(Math.PI);document.calc.angle.value=v_angle;var v_dist=Math.sqrt((v_delta_x*v_delta_x)+(v_delta_y*v_delta_y));document.calc.dist.value=v_dist;var v_x1_mult=v_dec_slope*(-1*v_x1);var y_intercept=Number(v_x1_mult)+Number(v_y1);document.calc.slope.value=v_dec_slope;document.calc.y_int.value=y_intercept;var line_equation=\"y - y1 = <em>m</em>(x - x1)<br />\";line_equation+=\"y - (\"+v_y1+\") = \"+v_dec_slope+\"(x - (\"+v_x1+\"))<br />\";line_equation+=\"y = \"+v_dec_slope+\"x - ((\"+v_x1_mult+\") + (\"+v_y1+\"))<br />\";var sign=\" - \";var abs_y_int=Math.abs(y_intercept);if(y_intercept>0){sign=\" + \";}\nvar formula=\"\";if(v_dec_slope==-1){line_equation+=\"y = -x \";v_formula=\"y = -x \";}else\nif(v_dec_slope==1){line_equation+=\"y = x \";v_formula=\"y = x \";}else{line_equation+=\"y = \"+v_dec_slope+\"x \";v_formula=\"y = \"+v_dec_slope+\"x \";}\nif(abs_y_int!=0){line_equation+=\"\"+sign+\" \"+abs_y_int+\"\";v_formula+=\"\"+sign+\" \"+abs_y_int+\"\";}\ndocument.calc.formula.value=v_formula;var v_slope_str=\"\"+v_slope+\"\";if(max_pnt>1300){document.getElementById(\"chart\").innerHTML=\"\";}else{document.getElementById(\"chart\").innerHTML=\"<div id='canvas' style='overflow:hidden;position:relative;width:600px;height:600px; background-color: white; margin: 0 auto;'></div>\";var v_scale=20;var v_origin_x=300;var v_origin_y=300;var v_grid=1;var v_new_x1=15;var v_new_x2=-15;if(max_pnt>15&&max_pnt<50){v_scale=5;v_origin_x=300;v_origin_y=300;v_grid=5;v_new_x1=50;v_new_x2=-50;}else\nif(max_pnt>49&&max_pnt<120){v_scale=2;v_origin_x=300;v_origin_y=300;v_grid=5;v_new_x1=120;v_new_x2=-120;}else\nif(max_pnt>119&&max_pnt<1300){v_scale=.2;v_origin_x=300;v_origin_y=300;v_grid=60;v_new_x1=1300;v_new_x2=-1300;}\nvar gr=new jsGraphics(document.getElementById(\"canvas\"));var col=new jsColor(\"#F6962B\");var pen=new jsPen(col,2);var bluePen=new jsPen(new jsColor(\"blue\"),1);var orangePen=new jsPen(new jsColor(\"#0F5378\"),1);var cht_x1=v_origin_x+(Number(v_x1)*v_scale);var cht_y1=v_origin_y-(Number(v_y1)*v_scale);var cht_x2=v_origin_x+(Number(v_x2)*v_scale);var cht_y2=v_origin_y-(Number(v_y2)*v_scale);var v_new_y1=(v_dec_slope*v_new_x1)+y_intercept;var v_new_y2=(v_dec_slope*v_new_x2)+y_intercept;var cht_new_x1=v_origin_x+(Number(v_new_x1)*v_scale);var cht_new_y1=v_origin_y-(Number(v_new_y1)*v_scale);var cht_new_x2=v_origin_x+(Number(v_new_x2)*v_scale);var cht_new_y2=v_origin_y-(Number(v_new_y2)*v_scale);var newpnt1=new jsPoint(cht_new_x1,cht_new_y1);var newpnt2=new jsPoint(cht_new_x2,cht_new_y2);gr.drawLine(pen,newpnt1,newpnt2);var pnt1=new jsPoint(cht_x1,cht_y1);var pnt2=new jsPoint(cht_x2,cht_y2);gr.drawLine(pen,pnt1,pnt2);gr.fillRectangle(new jsColor(\"#0F5378\"),new jsPoint(pnt1.x-1,pnt1.y-2),4,4);gr.fillRectangle(new jsColor(\"#0F5378\"),new jsPoint(pnt2.x-1,pnt2.y-2),4,4);var font=new jsFont(\"arial\",\"bold\",\"14px\");gr.drawText(\"Y\",new jsPoint(275,0),font,orangePen.color,30,\"center\");gr.drawText(\"X\",new jsPoint(575,285),font,orangePen.color,30,\"center\");if(v_y1>v_y2){gr.drawText(\"(\"+v_x1+\", \"+v_y1+\")\",new jsPoint(pnt1.x,pnt1.y-v_scale),font,bluePen.color,90,\"left\");gr.drawText(\"(\"+v_x2+\", \"+v_y2+\")\",new jsPoint(pnt2.x,pnt2.y),font,bluePen.color,90,\"left\");}else{gr.drawText(\"(\"+v_x1+\", \"+v_y1+\")\",new jsPoint(pnt1.x,pnt1.y),font,bluePen.color,90,\"left\");gr.drawText(\"(\"+v_x2+\", \"+v_y2+\")\",new jsPoint(pnt2.x,pnt2.y-v_scale),font,bluePen.color,90,\"left\");}\ngr.setScale(v_scale);gr.setOrigin(new jsPoint(v_origin_x,v_origin_y));gr.setCoordinateSystem(\"cartecian\");gr.showGrid(v_grid);}\nvar tbl=\"<table style='margin: 10px auto;'>\";tbl+=\"<tr><th colspan='2'>Slope Solution</th></tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>Y<sub>2</sub> - Y<sub>1</sub></td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>X<sub>2</sub> - X<sub>1</sub></td>\";tbl+=\"</tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>(\"+v_y2+\") - (\"+v_y1+\")</td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>(\"+v_x2+\") - (\"+v_x1+\")</td>\";tbl+=\"</tr>\";tbl+=\"<tr><td rowspan='2'><em>m</em> = </td>\";tbl+=\"<td style='border-bottom: 1px solid black;'>\"+v_delta_y+\"</td>\";tbl+=\"</tr>\";tbl+=\"<tr>\";tbl+=\"<td>\"+v_delta_x+\"</td>\";tbl+=\"</tr>\";tbl+=\"<tr><td><em>m</em> = </td>\";tbl+=\"<td>\"+v_slope+\"\";if(v_slope_str.indexOf(\"/\")>-1){tbl+=\", or \"+fns(v_dec_slope,2,0,0,0)+\"\";}\ntbl+=\"</td>\";tbl+=\"</tr>\";tbl+=\"</table>\";tbl+=\"<table style='margin: 10px auto;'>\";tbl+=\"<tr><th>Straight Line Equation</th></tr>\";tbl+=\"<tr><td>\"+line_equation+\"</td></tr>\";tbl+=\"</table>\";var v_summary=\"<br /><img src='http://2.bp.blogspot.com/-OISXIvXpGKY/VemlOfQesMI/AAAAAAABYyw/ZZV6tu4TKcg/s72-c/BASIC%2BJAVA%2BCALCULATOR.png' width='60' height='54' class='ItemLeft' />\";v_summary+=\"According to my calculations, the slope of a straight line passing through \";v_summary+=\"points (\"+v_x1+\",\"+v_y1+\") and (\"+v_x2+\",\"+v_y2+\") would be \"+v_dec_slope+\".\";v_summary+=\"<p>The following is how I solved for the slope, as well as the formulation of the \";v_summary+=\"resulting straight line equation. I will also include an attempt at graphing the \";v_summary+=\"points and the equation if the maximum absolute values of the x's and y's are \";v_summary+=\"less that 1300.</p>\";document.getElementById(\"summary\").innerHTML=v_summary+\"\"+tbl;}}}\nfunction clear_results(form){document.calc.slope.value=\"\";document.calc.delta_x.value=\"\";document.calc.delta_y.value=\"\";document.calc.angle.value=\"\";document.calc.dist.value=\"\";document.calc.y_int.value=\"\";document.calc.formula.value=\"\";document.getElementById(\"summary\").innerHTML=\"\";document.getElementById(\"chart\").innerHTML=\"\";}\nfunction reset_calc(form){clear_results(document.calc);document.calc.reset();}";
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