範例：在繪圖中使用值域變數

值域變數	Y 軸運算式	X 軸運算式
<region id="ID0EVGDHB" top="936" left="24" width="48.8116666666667" height="64.331" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <id>i</id> <result> <matrix rows="4" cols="1"> <real>0</real> <real>1</real> <real>2</real> <real>3</real> </matrix> </result> </eval> <resultFormat> <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>	<region id="ID0EDHDHB" top="936" left="120" width="96.7216666666667" height="64.331" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <apply> <id>sin</id> <id>i</id> </apply> <result> <matrix rows="4" cols="1"> <real>0</real> <real>0.841</real> <real>0.909</real> <real>0.141</real> </matrix> </result> </eval> <resultFormat> <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>	<region id="ID0ERHDHB" top="936" left="288" width="105.015" height="64.331" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <apply> <id>cos</id> <id>i</id> </apply> <result> <matrix rows="4" cols="1"> <real>1</real> <real>0.54</real> <real>-0.416</real> <real>-0.99</real> </matrix> </result> </eval> <resultFormat> <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>
<region id="ID0EDIDHB" top="1080" left="24" width="69.465" height="200.159" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <id>j</id> <result> <matrix rows="12" cols="1"> <real>0</real> <real>0.1</real> <real>0.2</real> <real>0.3</real> <real>0.4</real> <real>0.5</real> <real>0.6</real> <real>0.7</real> <real>0.8</real> <real>0.9</real> <real>1</real> <real>1.1</real> </matrix> </result> </eval> <resultFormat> <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>	<region id="ID0ERIDHB" top="1080" left="120" width="108.115" height="200.159" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <apply> <id>sin</id> <id>j</id> </apply> <result> <matrix rows="12" cols="1"> <real>0</real> <real>0.1</real> <real>0.199</real> <real>0.296</real> <real>0.389</real> <real>0.479</real> <real>0.565</real> <real>0.644</real> <real>0.717</real> <real>0.783</real> <real>0.841</real> <real>0.891</real> </matrix> </result> </eval> <resultFormat> <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>	<region id="ID0E6IDHB" top="1080" left="288" width="108.345" height="200.159" xmlns="http://schemas.mathsoft.com/worksheet50"> <math> <eval xmlns="http://schemas.mathsoft.com/math50"> <apply> <id>cos</id> <id>j</id> </apply> <result> <matrix rows="12" cols="1"> <real>1</real> <real>0.995</real> <real>0.98</real> <real>0.955</real> <real>0.921</real> <real>0.878</real> <real>0.825</real> <real>0.765</real> <real>0.697</real> <real>0.622</real> <real>0.54</real> <real>0.454</real> </matrix> </result> </eval> <resultFormat> <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" /> <matrix size="12,12" offset="0,0" /> </resultFormat> </math> </region>