Rev 20 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 20 | reyssat | 1 | <html> |
| 2 | <style type="text/css"> |
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| 3 | <!-- |
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| 4 | .red {color: red} |
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| 5 | .blue {color: blue} |
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| 6 | --> |
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| 7 | </style> |
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| 8 | |||
| 9 | <SCRIPT LANGUAGE="JavaScript"> |
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| 10 | <!-- Original: Steve Dulaney --> |
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| 11 | <!-- Web Site: http://www.hmhd.com/steve --> |
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| 12 | |||
| 13 | <!-- This script and many more are available free online at --> |
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| 14 | <!-- The JavaScript Source!! http://javascript.internet.com --> |
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| 15 | |||
| 16 | <!-- Begin |
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| 17 | var Memory = 0; |
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| 18 | var Number1 = ""; |
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| 19 | var Number2 = ""; |
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| 20 | var NewNumber = "blank"; |
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| 21 | var opvalue = ""; |
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| 22 | |||
| 23 | function Display(displaynumber) { |
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| 24 | document.calculator.answer.value = displaynumber; |
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| 25 | } |
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| 26 | |||
| 27 | function MemoryClear() { |
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| 28 | Memory = 0; |
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| 29 | document.calculator.mem.value = ""; |
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| 30 | } |
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| 31 | |||
| 32 | function MemoryRecall(answer) { |
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| 33 | if(NewNumber != "blank") { |
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| 34 | Number2 += answer; |
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| 35 | } else { |
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| 36 | Number1 = answer; |
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| 37 | } |
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| 38 | NewNumber = "blank"; |
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| 39 | Display(answer); |
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| 40 | } |
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| 41 | |||
| 42 | function MemorySubtract(answer) { |
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| 43 | Memory = Memory - eval(answer); |
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| 44 | } |
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| 45 | |||
| 46 | function MemoryAdd(answer) { |
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| 47 | Memory = Memory + eval(answer); |
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| 48 | document.calculator.mem.value = " M "; |
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| 49 | NewNumber = "blank"; |
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| 50 | } |
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| 51 | |||
| 52 | function ClearCalc() { |
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| 53 | Number1 = ""; |
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| 54 | Number2 = ""; |
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| 55 | NewNumber = "blank"; |
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| 56 | Display(""); |
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| 57 | } |
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| 58 | |||
| 59 | function Backspace(answer) { |
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| 60 | answerlength = answer.length; |
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| 61 | answer = answer.substring(0, answerlength - 1); |
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| 62 | if (Number2 != "") { |
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| 63 | Number2 = answer.toString(); |
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| 64 | Display(Number2); |
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| 65 | } else { |
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| 66 | Number1 = answer.toString(); |
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| 67 | Display(Number1); |
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| 68 | } |
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| 69 | } |
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| 70 | |||
| 71 | function CECalc() { |
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| 72 | Number2 = ""; |
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| 73 | NewNumber = "yes"; |
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| 74 | Display(""); |
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| 75 | } |
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| 76 | |||
| 77 | function CheckNumber(answer) { |
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| 78 | if(answer == ".") { |
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| 79 | Number = document.calculator.answer.value; |
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| 80 | if(Number.indexOf(".") != -1) { |
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| 81 | answer = ""; |
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| 82 | } |
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| 83 | } |
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| 84 | if(NewNumber == "yes") { |
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| 85 | Number2 += answer; |
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| 86 | Display(Number2); |
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| 87 | } |
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| 88 | else { |
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| 89 | if(NewNumber == "blank") { |
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| 90 | Number1 = answer; |
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| 91 | Number2 = ""; |
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| 92 | NewNumber = "no"; |
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| 93 | } |
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| 94 | else { |
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| 95 | Number1 += answer; |
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| 96 | } |
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| 97 | Display(Number1); |
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| 98 | } |
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| 99 | } |
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| 100 | function AddButton(x) { |
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| 101 | if(x == 1) EqualButton(); |
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| 102 | if(Number2 != "") { |
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| 103 | Number1 = parseFloat(Number1) + parseFloat(Number2); |
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| 104 | } |
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| 105 | NewNumber = "yes"; |
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| 106 | opvalue = '+'; |
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| 107 | Display(Number1); |
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| 108 | } |
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| 109 | function SubButton(x) { |
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| 110 | if(x == 1) EqualButton(); |
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| 111 | if(Number2 != "") { |
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| 112 | Number1 = parseFloat(Number1) - parseFloat(Number2); |
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| 113 | } |
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| 114 | NewNumber = "yes"; |
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| 115 | opvalue = '-'; |
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| 116 | Display(Number1); |
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| 117 | } |
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| 118 | function MultButton(x) { |
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| 119 | if(x == 1) EqualButton(); |
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| 120 | if(Number2 != "") { |
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| 121 | Number1 = parseFloat(Number1) * parseFloat(Number2); |
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| 122 | } |
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| 123 | NewNumber = "yes"; |
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| 124 | opvalue = '*'; |
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| 125 | Display(Number1); |
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| 126 | } |
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| 127 | function DivButton(x) { |
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| 128 | if(x == 1) EqualButton(); |
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| 129 | if(Number2 != "") { |
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| 130 | Number1 = parseFloat(Number1) / parseFloat(Number2); |
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| 131 | } |
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| 132 | NewNumber = "yes"; |
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| 133 | opvalue = '/'; |
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| 134 | Display(Number1); |
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| 135 | } |
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| 136 | function SqrtButton() { |
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| 137 | Number1 = Math.sqrt(Number1); |
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| 138 | NewNumber = "blank"; |
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| 139 | Display(Number1); |
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| 140 | } |
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| 141 | function PercentButton() { |
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| 142 | if(NewNumber != "blank") { |
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| 143 | Number2 *= .01; |
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| 144 | NewNumber = "blank"; |
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| 145 | Display(Number2); |
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| 146 | } |
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| 147 | } |
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| 148 | function RecipButton() { |
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| 149 | Number1 = 1/Number1; |
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| 150 | NewNumber = "blank"; |
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| 151 | Display(Number1); |
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| 152 | } |
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| 153 | function NegateButton() { |
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| 154 | Number1 = parseFloat(-Number1); |
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| 155 | NewNumber = "no"; |
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| 156 | Display(Number1); |
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| 157 | } |
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| 158 | function EqualButton() { |
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| 159 | if(opvalue == '+') AddButton(0); |
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| 160 | if(opvalue == '-') SubButton(0); |
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| 161 | if(opvalue == '*') MultButton(0); |
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| 162 | if(opvalue == '/') DivButton(0); |
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| 163 | Number2 = ""; |
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| 164 | opvalue = ""; |
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| 165 | } |
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| 166 | // End --> |
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| 167 | </script> |
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| 168 | |||
| 169 | <form name="calculator"> |
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| 170 | <table bgcolor="#aaaaaa" width=220> |
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| 171 | <tr><td> |
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| 172 | <table bgcolor="#cccccc" border=1> |
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| 173 | <tr><td> |
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| 174 | <table border=0 cellpadding=0> |
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| 175 | <tr><td bgcolor="#000080"><b style="color:white">Calculator</b></td></tr> |
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| 176 | <tr><td> |
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| 177 | <table width="100%" border=0> |
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| 5787 | bpr | 178 | <tr><td colspan=6><input type="text" name="answer" size=30 maxlength=30 onChange="CheckNumber(this.value)"/></td></tr> |
| 20 | reyssat | 179 | <tr><td colspan=6> |
| 180 | <table border=0 cellpadding=0> |
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| 181 | <tr><td> |
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| 5787 | bpr | 182 | <input type="text" name="mem" size=3 maxlength=3/> <input type="button" name="backspace" class="red" value="Backspace" onclick="Backspace(document.calculator.answer.value); return false;"/> <input type="button" name="CE" class="red" value=" CE " onclick="CECalc(); return false;"/> <input type="reset" name="C" class="red" value=" C " onclick="ClearCalc(); return false;"/> |
| 20 | reyssat | 183 | </td></tr> |
| 184 | </table> |
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| 185 | </td></tr> |
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| 5787 | bpr | 186 | <tr><td><input type="button" name="MC" class="red" value=" MC " onclick="MemoryClear(); return false;"/></td> |
| 187 | <td><input type="button" name="calc7" class="blue" value=" 7 " onclick="CheckNumber('7'); return false;"/></td> |
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| 188 | <td><input type="button" name="calc8" class="blue" value=" 8 " onclick="CheckNumber('8'); return false;"/></td> |
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| 189 | <td><input type="button" name="calc9" class="blue" value=" 9 " onclick="CheckNumber('9'); return false;"/></td> |
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| 190 | <td><input type="button" name="divide" class="red" value=" / " onclick="DivButton(1); return false;"/></td> |
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| 191 | <td><input type="button" name="sqrt" class="blue" value="sqrt" onclick="SqrtButton(); return false;"/></td></tr> |
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| 192 | <tr><td><input type="button" name="MR" class="red" value=" MR " onclick="MemoryRecall(Memory); return false;"/></td> |
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| 193 | <td><input type="button" name="calc4" class="blue" value=" 4 " onclick="CheckNumber('4'); return false;"/></td> |
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| 194 | <td><input type="button" name="calc5" class="blue" value=" 5 " onclick="CheckNumber('5'); return false;"/></td> |
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| 195 | <td><input type="button" name="calc6" class="blue" value=" 6 " onclick="CheckNumber('6'); return false;"/></td> |
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| 196 | <td><input type="button" name="multiply" class="red" value=" * " onclick="MultButton(1); return false;"/></td> |
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| 197 | <td><input type="button" name="percent" class="blue" value=" % " onclick="PercentButton(); return false;"/></td></tr> |
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| 198 | <tr><td><input type="button" name="MS" class="red" value=" MS " onclick="MemorySubtract(document.calculator.answer.value); return false;"/></td> |
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| 199 | <td><input type="button" name="calc1" class="blue" value=" 1 " onclick="CheckNumber('1'); return false;"/></td> |
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| 200 | <td><input type="button" name="calc2" class="blue" value=" 2 " onclick="CheckNumber('2'); return false;"/></td> |
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| 201 | <td><input type="button" name="calc3" class="blue" value=" 3 " onclick="CheckNumber('3'); return false;"/></td> |
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| 202 | <td><input type="button" name="minus" class="red" value=" - " onclick="SubButton(1); return false;"/></td> |
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| 203 | <td><input type="button" name="recip" class="blue" value="1/x " onclick="RecipButton(); return false;"/></td></tr> |
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| 204 | <tr><td><input type="button" name="Mplus" class="red" value=" M+ " onclick="MemoryAdd(document.calculator.answer.value); return false;"/></td> |
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| 205 | <td><input type="button" name="calc0" class="blue" value=" 0 " onclick="CheckNumber('0'); return false;"/></td> |
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| 206 | <td><input type="button" name="negate" class="blue" value="+/- " onclick="NegateButton(); return false;"/></td> |
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| 207 | <td><input type="button" name="dot" class="blue" value=" . " onclick="CheckNumber('.'); return false;"/></td> |
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| 208 | <td><input type="button" name="plus" class="red" value=" + " onclick="AddButton(1); return false;"/></td> |
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| 209 | <td><input type="button" name="equal" class="red" value=" = " onclick="EqualButton(); return false;"/></td> |
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| 20 | reyssat | 210 | </tr> |
| 211 | </table> |
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| 212 | </td></tr> |
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| 213 | </table> |
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| 214 | </td></tr> |
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| 215 | </table> |
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| 216 | </td></tr> |
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| 217 | </table> |
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| 218 | </form> |
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| 219 | |||
| 220 | <!-- <p><center> |
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| 5787 | bpr | 221 | <font face="arial, helvetica" size="-2">Free JavaScripts provided<br/> |
| 20 | reyssat | 222 | by <a href="http://javascriptsource.com">The JavaScript Source</a></font> |
| 223 | </center><p> --> |
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| 224 | |||
| 225 | </html> |