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Калькуляторы
Изображение в виде графика Функции
Внесите координаты X-Y для функции, и этот подлинник даст Вам изображающие в виде графика формулы, включая Формулу, Наклон, Y-точку-пересечения, Параллельные и Перпендикулярные линии.
Enter coordinate values:
X1:
Y1:
X2:
Y2:
Formula:
Slope:
Y-Intercept:
Parallel Line Formula:
Perpendicular Line Formula:
JavaScript Calculators: изображение графика функции
<!-- TWO STEPS TO INSTALL GRAPHING FUNCTION: 1. Copy the coding into the HEAD of your HTML document 2. Add the last code into the BODY of your HTML document --> <!-- STEP ONE: Paste this code into the HEAD of your HTML document --> <HEAD> <SCRIPT LANGUAGE="JavaScript"> <! > <! > <!-- Begin function 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> </HEAD> <!-- STEP TWO: Copy this code into the BODY of your HTML document --> <BODY> <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> <!-- Script Size: 2.60 KB -->