JavaScript научный калькулятор

Начало Калькуляторы Научный калькулятор

Это - очень классный калькулятор JavaScript, который делает много продвинутых функций - косинус, синус, тангенс, квадратный корень, образцы, и т.д

JavaScript Calculator: научный калькулятор

  <HEAD> <SCRIPT LANGUAGE="JavaScript"> <! > <! >  </SCRIPT>  <BODY> <CENTER> <FORM> <input name="display" value="0" size=25></td> <br> <input type="button" value=" exp " onClick="if (checkNum(this.form.display.value)) { exp(this.form) }"> <input type="button" value=" 7 " onClick="addChar(this.form.display, '7')"> <input type="button" value=" 8 " onClick="addChar(this.form.display, '8')"> <input type="button" value=" 9 " onClick="addChar(this.form.display, '9')"> <input type="button" value=" / " onClick="addChar(this.form.display, '/')"> <br> <input type="button" value=" ln " onClick="if (checkNum(this.form.display.value)) { ln(this.form) }"> <input type="button" value=" 4 " onClick="addChar(this.form.display, '4')"> <input type="button" value=" 5 " onClick="addChar(this.form.display, '5')"> <input type="button" value=" 6 " onClick="addChar(this.form.display, '6')"> <input type="button" value=" * " onClick="addChar(this.form.display, '*')"> <br> <input type="button" value=" sqrt " onClick="if (checkNum(this.form.display.value)) { sqrt(this.form) }"> <input type="button" value=" 1 " onClick="addChar(this.form.display, '1')"> <input type="button" value=" 2 " onClick="addChar(this.form.display, '2')"> <input type="button" value=" 3 " onClick="addChar(this.form.display, '3')"> <input type="button" value=" - " onClick="addChar(this.form.display, '-')"> <br> <input type="button" value=" sq " onClick="if (checkNum(this.form.display.value)) { square(this.form) }"> <input type="button" value=" 0 " onClick="addChar(this.form.display, '0')"> <input type="button" value=" . " onClick="addChar(this.form.display, '.')"> <input type="button" value=" +/- " onClick="changeSign(this.form.display)"> <input type="button" value=" + " onClick="addChar(this.form.display, '+')"> <br> <input type="button" value=" ( " onClick="addChar(this.form.display, '(')"> <input type="button" value=" cos " onClick="if (checkNum(this.form.display.value)) { cos(this.form) }"> <input type="button" value=" sin " onClick="if (checkNum(this.form.display.value)) { sin(this.form) }"> <input type="button" value=" tan " onClick="if (checkNum(this.form.display.value)) { tan(this.form) }"> <input type="button" value=" ) " onClick="addChar(this.form.display, ')')"> <br> <input type="button" value=" Clear " onClick="this.form.display.value = 0 "> <input type="button" value=" Back Space " onClick="deleteChar(this.form.display)"> <input type="button" value=" Enter " name="enter" onClick="if (checkNum(this.form.display.value)) { compute(this.form) }"> </FORM> </CENTER>