diff --git a/M01_MasterData/EasyCalc/M01_EasyCalc_Table.css b/M01_MasterData/EasyCalc/M01_EasyCalc_Table.css
index 79aa7fd24..b2788c7b7 100644
--- a/M01_MasterData/EasyCalc/M01_EasyCalc_Table.css
+++ b/M01_MasterData/EasyCalc/M01_EasyCalc_Table.css
@@ -124,6 +124,22 @@
   opacity: 0.5;
 }
 
+.m01-easytable__hint {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: var(--spacing-8);
+  margin: 0;
+  padding: var(--spacing-8) var(--spacing-12);
+  border-radius: var(--radius-lg);
+  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-canvas));
+  font-size: var(--text-body-sm);
+}
+
+.m01-easytable__hint:empty {
+  display: none;
+}
+
 .m01-easytable__warn {
   margin: 0;
   color: var(--color-danger);
diff --git a/M01_MasterData/EasyCalc/M01_EasyCalc_Table.ts b/M01_MasterData/EasyCalc/M01_EasyCalc_Table.ts
index 68af5ab3e..14b8be121 100644
--- a/M01_MasterData/EasyCalc/M01_EasyCalc_Table.ts
+++ b/M01_MasterData/EasyCalc/M01_EasyCalc_Table.ts
@@ -45,6 +45,10 @@ const TEXT = {
   Total: ["합계", "Total"],
   Wait: ["계산 중", "Calculating"],
   Stopped: ["계산 멈춤", "Calculation stopped"],
+  DesignHint: [
+    "이 값은 설계 때 정함 — 늘 이 줄로 하려면",
+    "This value is set at design — to always use this row,",
+  ],
   Mismatch: [
     "고른 줄이 이 조건으로는 안 걸림 — 조건을 다시 보세요",
     "The picked row isn't matched by these conditions",
@@ -351,6 +355,8 @@ interface CallState {
   picked: number | null;
   /** 「설계 때 정함」 조건을 고른 줄 값으로 미리 봄 */
   tryValues: Record<string, unknown>;
+  /** 마지막으로 누른 줄이 미리 보기만 한 「설계 때 정함」 조건 */
+  designHint: string[];
 }
 
 const showCell = (v: Cell): string => {
@@ -367,7 +373,7 @@ function startState(call: FindCall, doc: EasyDoc): CallState {
     const mode: Mode = names.has(a.rhs) ? "design" : lit !== null ? "fix" : "asis";
     return { key: a.key, orig: a.rhs, mode, input, fix: lit };
   });
-  return { conds, col: call.col, picked: null, tryValues: {} };
+  return { conds, col: call.col, picked: null, tryValues: {}, designHint: [] };
 }
 
 function stateArgs(st: CallState, table: EasyTable | null): FindArg[] | null {
@@ -465,6 +471,7 @@ async function mountTable(
   const grid = el("div", { className: "m01-easytable__grid" });
   const money = el("div", { className: "m01-easytable__money" });
   const warn = el("p", { className: "m01-easytable__warn" });
+  const hint = el("p", { className: "m01-easytable__hint" });
   const use = createButton({ label: tt("Use"), onClick: () => finish(newFormula()) });
   const cancel = createButton({
     label: tt("Cancel"),
@@ -491,6 +498,7 @@ async function mountTable(
     const st = states[now];
     const row = table?.줄[idx];
     if (!table || !row) return;
+    st.designHint = [];
     for (const key of Object.keys(table.조건)) {
       if (row[key] === undefined) continue;
       let c = st.conds.find((x) => x.key === key);
@@ -504,6 +512,7 @@ async function mountTable(
           ? rangeNumber(row[key] as [number | null, number | null], table.범위규칙 ?? "")
           : row[key];
         st.tryValues[c.input] = n;
+        st.designHint.push(key);
       } else {
         c.mode = "fix";
         c.fix = row[key];
@@ -521,9 +530,36 @@ async function mountTable(
       c.fix = row?.[c.key] ?? (c.input ? (inputs()[c.input] as Cell) : null);
     }
     c.mode = mode;
+    states[now].designHint = states[now].designHint.filter((k) => k !== c.key);
     void refresh();
   };
 
+  /** 누른 줄의 「설계 때 정함」 조건을 한 번에 그 줄 값으로 고정 */
+  const fixPicked = (): void => {
+    const st = states[now];
+    const row = st.picked === null ? null : tbl[now]?.줄[st.picked];
+    if (!row) return;
+    for (const c of st.conds)
+      if (st.designHint.includes(c.key)) {
+        c.mode = "fix";
+        c.fix = row[c.key];
+      }
+    st.designHint = [];
+    void refresh();
+  };
+
+  const paintHint = (): void => {
+    const st = states[now];
+    hint.replaceChildren(
+      ...(st.picked !== null && st.designHint.length
+        ? [
+            el("span", { text: `${tt("DesignHint")} ` }),
+            createButton({ label: tt("Fix"), size: "sm", onClick: fixPicked }),
+          ]
+        : []),
+    );
+  };
+
   const paintConds = (): void => {
     const st = states[now];
     condBox.replaceChildren(
@@ -579,10 +615,7 @@ async function mountTable(
     const th = (text: string, cls = ""): HTMLElement => el("th", { className: cls, text });
     const rows = table.줄.map((row, idx) => {
       const tr = el("tr", {
-        className: [
-          idx === hit && !busy ? "is-hit" : "",
-          idx === st.picked ? "is-picked" : "",
-        ].join(" "),
+        className: `${idx === hit && !busy ? "is-hit" : ""} ${idx === st.picked ? "is-picked" : ""}`,
         children: [
           ...conds.map((k) => el("td", { text: showCell(row[k]) })),
           ...vals.map((k) =>
@@ -600,28 +633,13 @@ async function mountTable(
       });
       return tr;
     });
-    grid.replaceChildren(
-      el("table", {
-        children: [
-          el("thead", {
-            children: [
-              el("tr", {
-                children: [
-                  ...conds.map((k) => th(k)),
-                  ...vals.map((k) =>
-                    th(
-                      `${k}${table.값칸[k] ? ` (${table.값칸[k]})` : ""}`,
-                      k === st.col ? "is-col" : "",
-                    ),
-                  ),
-                ],
-              }),
-            ],
-          }),
-          el("tbody", { children: rows }),
-        ],
-      }),
-    );
+    const unit = (k: string): string => (table.값칸[k] ? `${k} (${table.값칸[k]})` : k);
+    const top = [
+      ...conds.map((k) => th(k)),
+      ...vals.map((k) => th(unit(k), k === st.col ? "is-col" : "")),
+    ];
+    const thead = el("thead", { children: [el("tr", { children: top })] });
+    grid.replaceChildren(el("table", { children: [thead, el("tbody", { children: rows })] }));
   };
 
   const paint = (): void => {
@@ -646,6 +664,7 @@ async function mountTable(
       el("span", { className: "m01-easytable__note", text: tt("Hint") }),
     );
     paintConds();
+    paintHint();
     paintGrid();
     const picked = states[now].picked;
     const mismatch = !busy && picked !== null && last.hits[now] !== picked;
@@ -667,6 +686,7 @@ async function mountTable(
     which,
     head,
     condBox,
+    hint,
     grid,
     money,
     warn,