1 files changed, 16 insertions, 0 deletions
diff --git a/apps/web/src/utils/math.ts b/apps/web/src/utils/math.ts
index 012ac747..ac82ca17 100644
--- a/apps/web/src/utils/math.ts
+++ b/apps/web/src/utils/math.ts
@@ -9,3 +9,19 @@ export function clamp({
 }): number {
 	return Math.max(min, Math.min(max, value));
 }
+
+export function evaluateMathExpression({
+	input,
+}: {
+	input: string;
+}): number | null {
+	const sanitized = input.trim();
+	if (!/^[\d.\s+\-*/()]+$/.test(sanitized)) return null;
+	try {
+		const result = new Function(`return (${sanitized})`)();
+		if (typeof result !== "number" || !Number.isFinite(result)) return null;
+		return result;
+	} catch {
+		return null;
+	}
+}