diff --git a/kmath-ast/build.gradle.kts b/kmath-ast/build.gradle.kts
index deb6a28ee..65a1ac12c 100644
--- a/kmath-ast/build.gradle.kts
+++ b/kmath-ast/build.gradle.kts
@@ -1,29 +1,27 @@
-plugins { id("scientifik.mpp") }
-repositories { maven("https://dl.bintray.com/hotkeytlt/maven") }
+plugins {
+    id("scientifik.mpp")
+}
+
+repositories{
+    maven("https://dl.bintray.com/hotkeytlt/maven")
+}
 
 kotlin.sourceSets {
     commonMain {
         dependencies {
             api(project(":kmath-core"))
             implementation("com.github.h0tk3y.betterParse:better-parse-multiplatform:0.4.0-alpha-3")
+            implementation("com.github.h0tk3y.betterParse:better-parse-multiplatform-metadata:0.4.0-alpha-3")
         }
     }
-
-    jvmMain {
-        dependencies {
+    jvmMain{
+        dependencies{
             implementation("com.github.h0tk3y.betterParse:better-parse-jvm:0.4.0-alpha-3")
-            implementation("org.ow2.asm:asm:8.0.1")
-            implementation("org.ow2.asm:asm-commons:8.0.1")
-            implementation(kotlin("reflect"))
         }
     }
-
-    jvmTest {
-        dependencies {
-            implementation(kotlin("test"))
-            implementation(kotlin("test-junit5"))
+    jsMain{
+        dependencies{
+            implementation("com.github.h0tk3y.betterParse:better-parse-js:0.4.0-alpha-3")
         }
     }
-}
-
-tasks.withType<Test> { useJUnitPlatform() }
+}
\ No newline at end of file
diff --git a/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MST.kt b/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MST.kt
index eba2c3343..3375ecdf3 100644
--- a/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MST.kt
+++ b/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MST.kt
@@ -43,7 +43,7 @@ sealed class MST {
 fun <T> NumericAlgebra<T>.evaluate(node: MST): T {
     return when (node) {
         is MST.Numeric -> number(node.value)
-        is MST.Singular -> raw(node.value)
+        is MST.Singular -> symbol(node.value)
         is MST.Unary -> unaryOperation(node.operation, evaluate(node.value))
         is MST.Binary -> when {
             node.left is MST.Numeric && node.right is MST.Numeric -> {
diff --git a/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MSTExpression.kt b/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MSTExpression.kt
index 3ee454b2a..dbd5238e3 100644
--- a/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MSTExpression.kt
+++ b/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/MSTExpression.kt
@@ -12,7 +12,7 @@ class MSTExpression<T>(val algebra: NumericAlgebra<T>, val mst: MST) : Expressio
      * Substitute algebra raw value
      */
     private inner class InnerAlgebra(val arguments: Map<String, T>) : NumericAlgebra<T> by algebra {
-        override fun raw(value: String): T = arguments[value] ?: super.raw(value)
+        override fun symbol(value: String): T = arguments[value] ?: super.symbol(value)
     }
 
     override fun invoke(arguments: Map<String, T>): T = InnerAlgebra(arguments).evaluate(mst)
diff --git a/kmath-ast/src/jvmMain/kotlin/scientifik/kmath/ast/Parser.kt b/kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/parser.kt
similarity index 100%
rename from kmath-ast/src/jvmMain/kotlin/scientifik/kmath/ast/Parser.kt
rename to kmath-ast/src/commonMain/kotlin/scientifik/kmath/ast/parser.kt
diff --git a/kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Algebra.kt b/kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Algebra.kt
index 166287ec7..8ed3f329e 100644
--- a/kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Algebra.kt
+++ b/kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Algebra.kt
@@ -10,7 +10,10 @@ interface Algebra<T> {
     /**
      * Wrap raw string or variable
      */
-    fun raw(value: String): T = error("Wrapping of '$value' is not supported in $this")
+    fun symbol(value: String): T = error("Wrapping of '$value' is not supported in $this")
+
+    @Deprecated("Symbol is more concise",replaceWith = ReplaceWith("symbol"))
+    fun raw(value: String): T = symbol(value)
 
     /**
      * Dynamic call of unary operation with name [operation] on [arg]
diff --git a/kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Complex.kt b/kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Complex.kt
index 01aef824d..6ce1d929b 100644
--- a/kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Complex.kt
+++ b/kmath-core/src/commonMain/kotlin/scientifik/kmath/operations/Complex.kt
@@ -51,10 +51,10 @@ object ComplexField : ExtendedField<Complex> {
 
     operator fun Double.times(c: Complex) = Complex(c.re * this, c.im * this)
 
-    override fun raw(value: String): Complex = if (value == "i") {
+    override fun symbol(value: String): Complex = if (value == "i") {
         i
     } else {
-        super.raw(value)
+        super.symbol(value)
     }
 }