diff --git a/src/flextype/core/Parsers/Expressions/MathExpression.php b/src/flextype/core/Parsers/Expressions/MathExpression.php
index fc93bc0b..2b3b3a19 100644
--- a/src/flextype/core/Parsers/Expressions/MathExpression.php
+++ b/src/flextype/core/Parsers/Expressions/MathExpression.php
@@ -26,6 +26,8 @@ class MathExpression implements ExpressionFunctionProviderInterface
     public function getFunctions()
     {
         return [
+            new ExpressionFunction('abs', static fn (int|float $num): mixed => '\abs($num)', static fn (array $arguments, int|float $num): mixed => \abs($num)),
+            new ExpressionFunction('round', static fn (int|float $num, int $precision = 0, int $mode = 1): mixed => '\round($num, $precision, $mode)', static fn (array $arguments, int|float $num, int $precision = 0, int $mode = 1): mixed => \round($num, $precision, $mode)),
             new ExpressionFunction('ceil', static fn (int|float $num): mixed => '\ceil($num)', static fn (array $arguments, int|float $num): mixed => \ceil($num)),
             new ExpressionFunction('floor', static fn (int|float $num): mixed => '\floor($num)', static fn (array $arguments, int|float $num): mixed => \floor($num)),
             new ExpressionFunction('min', static fn (mixed ...$values): mixed => '\min($values)', static fn (array $arguments, mixed ...$values): mixed => \min($values)),
diff --git a/tests/src/flextype/core/Parsers/Expressions/MathExpressionTest.php b/tests/src/flextype/core/Parsers/Expressions/MathExpressionTest.php
index cf847d55..64b142fc 100644
--- a/tests/src/flextype/core/Parsers/Expressions/MathExpressionTest.php
+++ b/tests/src/flextype/core/Parsers/Expressions/MathExpressionTest.php
@@ -30,4 +30,14 @@ test('min expression', function () {
 test('max expression', function () {
     entries()->create('max', ['test' => '[[ max(2, 3, 1, 6, 7) ]]']);
     expect(entries()->fetch('max')['test'])->toBe('7');
+});
+
+test('abs expression', function () {
+    entries()->create('abs', ['test' => '[[ abs(-4.2) ]]']);
+    expect(entries()->fetch('abs')['test'])->toBe('4.2');
+});
+
+test('round expression', function () {
+    entries()->create('round', ['test' => '[[ round(3.4) ]]']);
+    expect(entries()->fetch('round')['test'])->toBe('3');
 });
\ No newline at end of file