3 function calc_install() {
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4 register_hook('app_menu', 'addon/calc/calc.php', 'calc_app_menu');
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7 function calc_uninstall() {
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8 unregister_hook('app_menu', 'addon/calc/calc.php', 'calc_app_menu');
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12 function calc_app_menu($a,&$b) {
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13 $b['app_menu'] .= '<div class="app-title"><a href="calc">Calculator</a></div>';
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17 function calc_module() {}
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22 function calc_init($a) {
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26 <script language="JavaScript">
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27 /**************************************
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28 * www.FemaleNerd.com *
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29 **************************************/
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31 // Declare global variables
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32 var displayText = ""
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38 function addDisplay(n){
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39 id = document.getElementById("display");
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42 id.value = displayText
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46 function addNumbers() {
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47 if (displayText == "") {
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48 displayText = result
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50 num1 = parseFloat(displayText)
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51 operatorType = "add"
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56 function subtractNumbers() {
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57 if (displayText == "") {
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58 displayText = result
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60 num1 = parseFloat(displayText)
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61 operatorType = "subtract"
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66 function multiplyNumbers() {
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67 if (displayText == "") {
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68 displayText = result
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70 num1 = parseFloat(displayText)
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71 operatorType = "multiply"
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76 function divideNumbers() {
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77 if (displayText == "") {
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78 displayText = result
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80 num1 = parseFloat(displayText)
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81 operatorType = "divide"
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87 id = document.getElementById("display");
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88 if (displayText == "") {
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92 num1 = parseFloat(displayText)
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95 result = Math.sin(num1)
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100 alert("Please write the number first")
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106 id = document.getElementById("display");
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107 if (displayText == "") {
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111 num1 = parseFloat(displayText)
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114 result = Math.cos(num1)
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119 alert("Please write the number first")
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124 function arcSin() {
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125 id = document.getElementById("display");
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126 if (displayText == "") {
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130 num1 = parseFloat(displayText)
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133 result = Math.asin(num1)
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138 alert("Please write the number first")
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143 function arcCos() {
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144 id = document.getElementById("display");
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145 if (displayText == "") {
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149 num1 = parseFloat(displayText)
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152 result = Math.acos(num1)
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157 alert("Please write the number first")
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163 id = document.getElementById("display");
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164 if (displayText == "") {
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168 num1 = parseFloat(displayText)
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171 result = Math.sqrt(num1)
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176 alert("Please write the number first")
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180 // Square number (number to the power of two)
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181 function square() {
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182 id = document.getElementById("display");
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183 if (displayText == "") {
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187 num1 = parseFloat(displayText)
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190 result = num1 * num1
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195 alert("Please write the number first")
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199 // Convert degrees to radians
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200 function degToRad() {
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201 id = document.getElementById("display");
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202 if (displayText == "") {
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206 num1 = parseFloat(displayText)
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209 result = num1 * Math.PI / 180
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214 alert("Please write the number first")
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218 // Convert radians to degrees
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219 function radToDeg() {
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220 id = document.getElementById("display");
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221 if (displayText == "") {
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225 num1 = parseFloat(displayText)
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228 result = num1 * 180 / Math.PI
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233 alert("Please write the number first")
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238 function calculate() {
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239 id = document.getElementById("display");
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241 if (displayText != "") {
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242 num2 = parseFloat(displayText)
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244 if (operatorType == "add") {
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245 result = num1 + num2
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248 // Calc: Subtraction
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249 if (operatorType == "subtract") {
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250 result = num1 - num2
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253 // Calc: Multiplication
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254 if (operatorType == "multiply") {
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255 result = num1 * num2
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259 if (operatorType == "divide") {
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260 result = num1 / num2
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266 id.value = "Oops! Error!"
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270 // Clear the display
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271 function clearDisplay() {
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272 id = document.getElementById("display");
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280 $a->page['htmlhead'] .= $x;
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283 function calc_content($app) {
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289 <h3>Calculator</h3>
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293 <table bgcolor="#af9999" border="1">
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295 <table border="1" cellpadding="2" cellspacing="2">
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298 <TR><TD VALIGN=top colspan=6 ALIGN="center"> <H2>Calculator</H2> </TD>
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301 <td colspan="5"><input size="22" id="display" name="display" type="text"></td>
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302 </tr><tr align="left" valign="middle">
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303 <td><input name="one" value=" 1 " onclick="addDisplay(1)" type="button"></td>
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304 <td><input name="two" value=" 2 " onclick="addDisplay(2)" type="button"></td>
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305 <td><input name="three" value=" 3 " onclick="addDisplay(3)" type="button"></td>
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306 <td><input name="plus" value=" + " onclick="addNumbers()" type="button"></td>
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307 </tr><tr align="left" valign="middle">
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308 <td><input name="four" value=" 4 " onclick="addDisplay(4)" type="button"></td>
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309 <td><input name="five" value=" 5 " onclick="addDisplay(5)" type="button"></td>
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310 <td><input name="six" value=" 6 " onclick="addDisplay(6)" type="button"></td>
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311 <td><input name="minus" value=" - " onclick="subtractNumbers()" type="button"></td>
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312 </tr><tr align="left" valign="middle">
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313 <td><input name="seven" value=" 7 " onclick="addDisplay(7)" type="button"></td>
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314 <td><input name="eight" value=" 8 " onclick="addDisplay(8)" type="button"></td>
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315 <td><input name="nine" value=" 9 " onclick="addDisplay(9)" type="button"></td>
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316 <td><input name="multiplication" value=" * " onclick="multiplyNumbers()" type="button"></td>
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317 </tr><tr align="left" valign="middle">
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318 <td><input name="zero" value=" 0 " onclick="addDisplay(0)" type="button"></td>
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319 <td><input name="pi" value=" Pi " onclick="addDisplay(Math.PI)" type="button"> </td>
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320 <td><input name="dot" value=" . " onclick='addDisplay(".")' type="button"></td>
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321 <td><input name="division" value=" / " onclick="divideNumbers()" type="button"></td>
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322 </tr><tr align="left" valign="middle">
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323 <td><input name="sqareroot" value="sqrt" onclick="sqrt()" type="button"></td>
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324 <td><input name="squarex" value=" x^2" onclick="square()" type="button"></td>
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325 <td><input name="deg-rad" value="d2r " onclick="degToRad()" type="button"></td>
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326 <td><input name="rad-deg" value="r2d " onclick="radToDeg()" type="button"></td>
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327 </tr><tr align="left" valign="middle">
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328 <td><input name="sine" value=" sin " onclick="sin()" type="button"></td>
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329 <td><input name="arcsine" value="asin" onclick="arcSin()" type="button"></td>
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330 <td><input name="cosine" value="cos" onclick="cos()" type="button"></td>
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331 <td><input name="arccosine" value="acs" onclick="arcCos()" type="button"></td>
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333 </tr><tr align="left" valign="middle">
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334 <td colspan="2"><input name="clear" value=" Clear " onclick="clearDisplay()" type="button"></td>
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335 <td colspan="3"><input name="enter" value=" = " onclick="calculate()" type="button"></td>
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337 </tr></tbody></table>
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342 <B>NOTE:</B> All sine and cosine calculations are
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343 <br>done in radians. Remember to convert first
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344 <br>if using degrees.
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348 </td></tr></tbody></table>
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351 </td></tr></tbody></table>
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