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Калькуляторы
Круг Solver
Кто забыл формулу для других двух частей круга (область, диаметр, или окружность).Войдите в область круга, диаметр, или окружность, и это решит для других двух!
Area:
Diameter:
Circumference:
JavaScript Calculators: круг солвер
<!-- TWO STEPS TO INSTALL CIRCLE SOLVER: 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 circle(form,changed) { with (Math) { var area = form.area.value; var diameter = form.diameter.value; var circumference = form.circumference.value; if (changed == "area") { var radius = sqrt(area / PI); diameter = 2 * radius; circumference = PI * diameter; } if (changed == "diameter") { area = PI * (diameter / 2) * (diameter / 2); circumference = PI * diameter; } if (changed == "circumference") { diameter = circumference / PI; area = PI * (diameter / 2) * (diameter / 2); } form.area.value = area; form.diameter.value = diameter; form.circumference.value = circumference; } } var toDegrees = 360 / (Math.PI * 2); var toRadians = (Math.PI * 2) / 360; // End --> </script> </HEAD> <!-- STEP TWO: Copy this code into the BODY of your HTML document --> <BODY> <center> <form method=post> <table border="5"> <tr> <td align=center>Area:</td> <td align=center><input type=text name=area size=6 value=0 onFocus="select()"></td> <td align=center><input type=button value="Solve Others" onClick="circle(this.form,'area')"></td> </tr> <tr> <td align=center>Diameter:</td> <td align=center><input type=text name=diameter size=6 value=0 onFocus="select()"></td> <td align=center><input type=button value="Solve Others" onClick="circle(this.form,'diameter')"></td> </tr> <tr> <td align=center>Circumference:</td> <td align=center><input type=text name=circumference size=6 value=0 onFocus="select()"></td> <td align=center><input type=button value="Solve Others" onClick="circle(this.form,'circumference')"></td> </tr> </table> </form> </center> <!-- Script Size: 2.12 KB -->