diff --git a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogGraphCanvas.qml b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogGraphCanvas.qml
index bd10c29..55ef234 100644
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogGraphCanvas.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogGraphCanvas.qml
@@ -301,7 +301,7 @@ Canvas {
             } else {
                 for(var x = 1; x < drawMaxX; x += 1) {
                     var drawX = x*xaxisstep1
-                    var txtX = xaxisstepExpr.simplify(x)
+                    var txtX = xaxisstepExpr.simplify(x).replace(/^\((.+)\)$/, '$1')
                     var textSize = measureText(ctx, txtX, 6).height
                     drawVisibleText(ctx, txtX, x2px(drawX)-4, axisxpx+textsize/2+textSize)
                     drawVisibleText(ctx, '-'+txtX, x2px(-drawX)-4, axisxpx+textsize/2+textSize)
@@ -311,7 +311,7 @@ Canvas {
         if(showygrad) {
             for(var y = 0; y < drawMaxY; y += 1) {
                 var drawY = y*yaxisstep1
-                var txtY = yaxisstepExpr.simplify(y)
+                var txtY = yaxisstepExpr.simplify(y).replace(/^\((.+)\)$/, '$1')
                 var textSize = ctx.measureText(txtY).width
                 drawVisibleText(ctx, txtY, axisypx-6-textSize, y2px(drawY)+4+(10*(y==0)))
                 if(y != 0)
diff --git a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/math/expression.js b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/math/expression.js
index 01b25b9..f4deb0d 100644
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/math/expression.js
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/math/expression.js
@@ -68,6 +68,7 @@ class Expression {
     
     simplify(x) {
         var expr = this.calc.substitute('x', x).simplify()
+        print(this.expr, this.calc.substitute('x', x), expr)
         if(expr.evaluate() == 0) return '0'
         var str = Utils.makeExpressionReadable(expr.toString());
         if(str != undefined && str.match(/^\d*\.\d+$/)) {
diff --git a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/utils.js b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/utils.js
index 8ca3a69..624b3a5 100644
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/utils.js
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/utils.js
@@ -256,14 +256,14 @@ function makeExpressionReadable(str) {
         // Other
         [/ \* /g, '×'],
         [/ \^ /g, '^'],
-        [/\^\(([^\^]+)\)/g, function(match, p1) { return textsup(p1) }],
-        [/\^([^ "]+)/g, function(match, p1) { return textsup(p1) }],
-        [/_\(([^_]+)\)/g, function(match, p1) { return textsub(p1) }],
-        [/_([^ "]+)/g, function(match, p1) { return textsub(p1) }],
+        [/\^\(([\d\w+-]+)\)/g, function(match, p1) { return textsup(p1) }],
+        [/\^([\d\w+-]+)/g, function(match, p1) { return textsup(p1) }],
+        [/_\(([\d\w+-]+)\)/g, function(match, p1) { return textsub(p1) }],
+        [/_([\d\w+-]+)/g, function(match, p1) { return textsub(p1) }],
         [/\[([^\[\]]+)\]/g, function(match, p1) { return textsub(p1) }],
         [/(\d|\))×/g, '$1'],
         //[/×(\d|\()/g, '$1'],
-        [/[^a-z]\(([^)(+.\/-]+)\)/g, "$1"],
+        [/([^a-z])\(([^)(+.\/-]+)\)/g, "$1×$2"],
         [/integral\((.+),\s?(.+),\s?("|')(.+)("|'),\s?("|')(.+)("|')\)/g, function(match, a, b, p1, body, p2, p3, by, p4) {
             if(a.length < b.length) {
                 return `∫${textsub(a)}${textsup(b)} ${body} d${by}`