fix: resolve parsing issue with adjacent LaTeX \exp() calls to ensure correct multiplication interpretation

Author: arnog

CHANGELOG.md

@@ -95,6 +95,10 @@
   and allows proper algebraic manipulation. Use `.N()` to get numeric approximations
   when needed.
 
+- **LaTeX `\exp()` Juxtaposition**: Fixed adjacent `\exp()` calls not parsing as
+  multiplication. Now `\exp(x)\exp(2)` correctly parses as `e^x · e^2` instead of
+  producing a parse error. The expression then simplifies to `e^{x+2}` as expected.
+
 ### Features
 
 - **([#163](https://github.com/cortex-js/compute-engine/issues/163)) Additional

src/compute-engine/latex-syntax/dictionary/definitions-arithmetic.ts

@@ -699,11 +699,19 @@ export const DEFINITIONS_ARITHMETIC: LatexDictionary = [
   {
     kind: 'function',
     symbolTrigger: 'exp',
-    parse: 'Exp',
+    parse: (parser: Parser) => {
+      const args = parser.parseArguments('implicit');
+      if (args === null) return 'Exp' as Expression;
+      return ['Exp', ...args] as Expression;
+    },
   },
   {
     latexTrigger: '\\exp',
-    parse: 'Exp',
+    parse: (parser: Parser) => {
+      const args = parser.parseArguments('implicit');
+      if (args === null) return 'Exp' as Expression;
+      return ['Exp', ...args] as Expression;
+    },
   },
   {
     name: 'ImaginaryUnit',