Matemàtiques comercials/interès simple Temps Si invertim un capital inicial de #capitalInicial € a #redit % d'interès anual simple  durant un cert temps, obtindrem  uns interessos de #interes € al final  del període. Quant de temps en anys i mesos ha estat invertit? 

(Poseu els anys al primer quadre i els mesos al segon quadre)

]]> 1.0000000 1.0000000 0 0 anys=#anysmesos=#mesos]]> <question><wirisCasSession><![CDATA[<session lang="ca" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="ca">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>capitalInicial</mi><mo>=</mo><mi>aleatori</mi><mo>(</mo><mn>1</mn><mo>.</mo><mo>.</mo><mn>100</mn><mo>)</mo><mo>*</mo><mn>10</mn><mo>^</mo><mi>aleatori</mi><mo>(</mo><mn>2</mn><mo>.</mo><mo>.</mo><mn>4</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>redit</mi><mo>=</mo><mi>aleatori</mi><mo>(</mo><mn>4</mn><mo>.</mo><mo>.</mo><mn>40</mn><mo>)</mo><mo>/</mo><mn>4</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>temps</mi><mo>=</mo><mi>aleatori</mi><mo>(</mo><mn>12</mn><mo>.</mo><mo>.</mo><mn>120</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>anys</mi><mo>=</mo><mi>temps</mi><mo>/</mo><mo>/</mo><mn>12</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mesos</mi><mo>=</mo><mi>residu</mi><mo>(</mo><mi>temps</mi><mo>,</mo><mn>12</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>capitalFinal</mi><mo>=</mo><mfenced close="⌋" open="⌊"><mrow><mo>(</mo><mi>capitalInicial</mi><mo>*</mo><mo>(</mo><mn>1</mn><mo>.</mo><mn>0</mn><mo>+</mo><mi>redit</mi><mo>*</mo><mi>temps</mi><mo>/</mo><mn>1200</mn><mo>.</mo><mn>0</mn><mo>)</mo><mo>*</mo><mn>100</mn><mo>.</mo><mn>0</mn><mo>+</mo><mn>0</mn><mo>.</mo><mn>5</mn><mo>)</mo></mrow></mfenced><mo>/</mo><mn>100</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>interes</mi><mo>=</mo><mfenced close="⌋" open="⌊"><mrow><mo>(</mo><mo>(</mo><mi>capitalFinal</mi><mo>-</mo><mi>capitalInicial</mi><mo>)</mo><mo>*</mo><mn>100</mn><mo>.</mo><mn>0</mn><mo>)</mo><mo>+</mo><mn>0</mn><mo>.</mo><mn>5</mn></mrow></mfenced><mo>/</mo><mn>100</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mtable><mtr><mtd><mi>nota</mi><mo>(</mo><mi>x</mi><mo>,</mo><mi>y</mi><mo>)</mo><mo>:</mo><mo>=</mo></mtd></mtr><mtr><mtd><apply><csymbol definitionURL="http://www.wiris.com/XML/csymbol">begin</csymbol><mtable><mtr><mtd><mi>locals</mi><mo> </mo><mi>T</mi></mtd></mtr><mtr><mtd><mi>T</mi><mo>=</mo><mi>vector</mi><mfenced><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>si</mi><mo> </mo><mi>x</mi><mo>==</mo><mi>anys</mi><mo> </mo><mi>aleshores</mi><mo> </mo><mn>1</mn><mo> </mo><mi>altrament</mi><mo> </mo><mn>0</mn><mo> </mo><mi>fi</mi></mtd></mtr><mtr><mtd><mi>si</mi><mo> </mo><mi>y</mi><mo>==</mo><mi>mesos</mi><mo> </mo><mi>aleshores</mi><mo> </mo><mn>1</mn><mo> </mo><mi>altrament</mi><mo> </mo><mn>0</mn><mo> </mo><mi>fi</mi></mtd></mtr></mtable></mfenced></mfenced></mtd></mtr><mtr><mtd><mi>tornar</mi><mo> </mo><mi>T</mi><mo>.</mo><mn>1</mn><mo>*</mo><mi>T</mi><mo>.</mo><mn>2</mn></mtd></mtr></mtable></apply></mtd></mtr></mtable></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mi>n</mi><mi>y</mi><mi>s</mi><mo>=</mo><mo>#</mo><mi>a</mi><mi>n</mi><mi>y</mi><mi>s</mi><mspace linebreak="newline"/><mi>m</mi><mi mathvariant="normal">e</mi><mi>s</mi><mi>o</mi><mi>s</mi><mo>=</mo><mo>#</mo><mi>m</mi><mi mathvariant="normal">e</mi><mi>s</mi><mi>o</mi><mi>s</mi></math>]]></correctAnswer><correctAnswer id="1"></correctAnswer><correctAnswer id="2"></correctAnswer></correctAnswers><assertions><assertion name="syntax_expression"/><assertion name="equivalent_function"><param name="name">nota</param></assertion></assertions><options><option name="tolerance">10^(-12)</option><option name="relative_tolerance">false</option><option name="precision">10</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"><![CDATA[<session lang="ca" version="2.0"><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></data><data name="inputCompound">true</data></localData></question>