diff --git a/hwe/ts/utilGame/formatLog.ts b/hwe/ts/utilGame/formatLog.ts
index 8491aead..3646b933 100644
--- a/hwe/ts/utilGame/formatLog.ts
+++ b/hwe/ts/utilGame/formatLog.ts
@@ -1,5 +1,7 @@
 const regex = /<([RBGMCLSODYW]1?|1|\/)>/g;
 
+//TODO: <R>에서 더 확장해서, <R|G>, <R|N> 형태로 뒤에 타입을 지정할 수 있도록 한다.
+
 const convertMap: Record<string, string> = {
   "R": 'color: red;',
   "B": 'color: blue;',
diff --git a/hwe/ts/utilGame/techLevel.ts b/hwe/ts/utilGame/techLevel.ts
new file mode 100644
index 00000000..95b58444
--- /dev/null
+++ b/hwe/ts/utilGame/techLevel.ts
@@ -0,0 +1,22 @@
+
+import { clamp } from "lodash";
+
+export const TECH_LEVEL_YEAR_GAP = 5;
+export const TECH_LEVEL_STEP = 1000;
+
+export function isTechLimited(startYear: number, year: number, tech: number, maxTechLevel: number): boolean {
+  const relMaxTech = getMaxRelativeTechLevel(startYear, year, maxTechLevel);
+  const techLevel = convTechLevel(tech, maxTechLevel);
+
+  return techLevel >= relMaxTech;
+}
+
+export function convTechLevel(tech: number, maxTechLevel: number): number{
+  return clamp(Math.floor(tech / TECH_LEVEL_STEP), 0, maxTechLevel);
+}
+
+
+export function getMaxRelativeTechLevel(startYear: number, year: number, maxTechLevel: number): number {
+  const relYear = year - startYear;
+  return clamp(Math.floor(relYear / TECH_LEVEL_YEAR_GAP) + 1, 1, maxTechLevel);
+}
\ No newline at end of file