Form math help?! |
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Form math help?! |
Dec 1 2008, 09:27 PM
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#1
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![]() Senior Member ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Official Designer Posts: 5,880 Joined: Nov 2007 Member No: 593,382 |
Ok here is the code.
<FORM> F:<INPUT type="text" name="F" value="32" onChange="C.value = 100/(212-32) * (this.value - 32 )"></td> C:<INPUT type="text" name="C" value="0" onChange="F.value = (212-32)/100 * this.value + 32 "></td> <td colspan="2"><INPUT type="button" value="Click for Answer"></td> </form> And here it is in action. wefuze.com/tools/temp-converter Now if you understand java and stuff youll see how this works. Now how can I adjust this code for other uses such as determining how many feet there are in how many yards?! |
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Dec 2 2008, 10:50 PM
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#2
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![]() Offline. ![]() ![]() ![]() ![]() ![]() Group: Official Designer Posts: 609 Joined: Mar 2007 Member No: 507,591 |
All you have to do is change the onChange Event:
CODE onChange="yard.value = (this.value / 3 )" - > CODE onChange="feet.value = this.value * 3" Here is the complete code: CODE <table cellpadding="5" cellspacing="0" border="0" > <form> <tr> <td> Feet </td> <td> <input type="text" name="feet" value="3" onChange="yard.value = (this.value / 3 )" /> </td> </tr> <tr> <td> Yard: </td> <td> <input type="text" name="yard" value="1" onChange="feet.value = this.value * 3" /> </td> </tr> <tr colspan="2" > <td colspan="2"> <input type="button" value="Click for Answer" /> </td> </tr> </form> </table> Tested In: Internet Explorer 6 +, FireFox, Opera |
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Dec 3 2008, 11:01 AM
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#3
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![]() Senior Member ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Official Designer Posts: 5,880 Joined: Nov 2007 Member No: 593,382 |
All you have to do is change the onChange Event: CODE onChange="yard.value = (this.value / 3 )" - > CODE onChange="feet.value = this.value * 3" Here is the complete code: CODE <table cellpadding="5" cellspacing="0" border="0" > <form> <tr> <td> Feet </td> <td> <input type="text" name="feet" value="3" onChange="yard.value = (this.value / 3 )" /> </td> </tr> <tr> <td> Yard: </td> <td> <input type="text" name="yard" value="1" onChange="feet.value = this.value * 3" /> </td> </tr> <tr colspan="2" > <td colspan="2"> <input type="button" value="Click for Answer" /> </td> </tr> </form> </table> Tested In: Internet Explorer 6 +, FireFox, Opera THANK YOU! Now on my site Im going to have a whole page of math conversion form! |
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Dec 3 2008, 04:02 PM
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#4
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![]() Offline. ![]() ![]() ![]() ![]() ![]() Group: Official Designer Posts: 609 Joined: Mar 2007 Member No: 507,591 |
no prob..
any help just pm me. |
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Dec 4 2008, 04:54 PM
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#5
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![]() Senior Member ![]() ![]() ![]() ![]() ![]() ![]() Group: Staff Alumni Posts: 2,435 Joined: Feb 2007 Member No: 506,205 |
Closed and moved to resolved.
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