Full version: jsB@nk » Calculation » Math » Graphing Function 2
URL: https://www.javascriptbank.com/graphing-function-2.html
Enter the X-Y coordinates for a function and this JavaScript will give you the graphing formulas, including Formula, Slope, Y-intercept, Parallel and Perpendicular lines. Easy!
Full version: jsB@nk » Calculation » Math » Graphing Function 2
URL: https://www.javascriptbank.com/graphing-function-2.html
<SCRIPT LANGUAGE="JavaScript">// Abraham I. (abraham_824@hotmail.com)<!-- Beginfunction calculate() {var y = new Array();y[0] = null;y[1] = document.calculator.y1.value;y[2] = document.calculator.y2.value;var x = new Array();x[0] = null;x[1] = document.calculator.x1.value;x[2] = document.calculator.x2.value;var m = (y[2] - y[1]) / (x[2] - x[1]);var b = y[1]-(m * x[1]);var formula = "y="+m+"x + "+b;var rand = parseInt(Math.random() * 7);var parf = "y="+m+"x + "+rand;var newm = m / -1;var perf = "y="+newm+"x + "+b;document.calculator.formula.value = formula;document.calculator.slope.value = m;document.calculator.yint.value = b;document.calculator.parf.value = parf;document.calculator.perf.value = perf;}// End --></script><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com--><form name="calculator">Enter coordinate values:<table border=0><tr><td>X1:</td><td><input type=text name=x1 size=10></td></tr><tr><td>Y1:</td><td><input type=text name=y1 size=10></td></tr><tr><td>X2:</td><td><input type=text name=x2 size=10></td></tr><tr><td>Y2:</td><td><input type=text name=y2 size=10><input type=button value="Get Results" onClick="calculate();"></td></tr><tr><td>Formula:</td><td><input type=text name=formula size=50></td></tr><tr><td>Slope:</td><td><input type=text name=slope size=50></td></tr><tr><td>Y-Intercept:</td><td><input type=text name=yint size=50></td></tr><tr><td>Parallel Line Formula:</td><td><input type=text name=parf size=50></td></tr><tr><td>Perpendicular Line Formula:</td><td><input type=text name=perf size=50></td></tr></table></form><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->