add wolfram alpha button

Author: wkelsey-apple

circuitSolver/modules/main.js

@@ -388,6 +388,17 @@ function TransformResults(props) {
                     }}>
                     Copy MathML
                   </button>
+                  <button
+                    type="button"
+                    className="btn btn-outline-primary py-0"
+                    onClick=${() => {
+                      // const newLatex = MathML2LaTeX.convert(mathMlString);
+                      var encoded_latex = encodeURIComponent(props.resString);
+                      var newURL = `https://www.wolframalpha.com/input?i2d=true&i=${encoded_latex}`
+                      window.open(newURL, '_blank');
+                    }}>
+                    Wolfram Alpha
+                  </button>
                 </div>
               </div>`
           : html`<button
@@ -1050,6 +1061,7 @@ class Game extends React.Component {
               iprbList=${this.state.iprbList}
               copiedToast=${this.copiedToast}
               copiedToastML=${this.copiedToastML}
+              resString=${this.resString}
               handlePlotChange=${(e) => this.handlePlotChange(e)}
               chosen=${this.state.chosenPlot} />
 

circuitSolver/modules/mna.js

@@ -313,13 +313,16 @@ export function calculateMNA(canvasState, chosenPlot) {
       //Remove eval: 35ms
       //Remove simplify: 15ms
       var strOut = Algebrite.eval("mna_vo_vi").toString(); //4ms
-
+      
       // if (iprbNode!=null) console.log('iprb result', Algebrite.eval("iprb").toString() );
 
 
 
 
-      [resString, resMathML] = simplify_algebra(strOut);
+      var xyz= simplify_algebra(strOut);
+      resString = xyz[0]
+      resMathML = xyz[1]
+      // [resString, resMathML] = simplify_algebra(strOut);
       schematicReadiness.solvable = true;
     } catch (err) {
       console.log("Solving failed with this error:", err);