diff --git a/module/misc.js b/module/misc.js
index e9f03f9e..71ee51d5 100644
--- a/module/misc.js
+++ b/module/misc.js
@@ -119,6 +119,17 @@ export class Misc {
     }
   }
 
+  /**
+   * @returns an array of incremental integers (including from / excluding to).
+   *  if max<min, the array is decrementing integers 
+   */
+  static intArray(from, to) {
+    if (from > to) {
+      return Array.from(Array(from - to).keys()).map(i => from - i)
+    }
+    return Array.from(Array(to - from).keys()).map(i => from + i)
+  }
+
   static distinct(array) {
     return [...new Set(array)];
   }
diff --git a/module/rdd-calendrier.js b/module/rdd-calendrier.js
index 6a576340..4eb6ce2e 100644
--- a/module/rdd-calendrier.js
+++ b/module/rdd-calendrier.js
@@ -190,12 +190,8 @@ export class RdDCalendrier extends Application {
 
   /* -------------------------------------------- */
   getJoursSuivants(count) {
-    let jours = [];
-    let indexDate = this.timestamp.indexDate;
-    for (let i = 0; i < count; i++, indexDate++) {
-      jours[i] = { label: RdDTimestamp.formatIndexDate(indexDate), index: indexDate };
-    }
-    return jours;
+    return Misc.intArray(this.timestamp.indexDate, this.timestamp.indexDate + count)
+      .map(i => { return { label: RdDTimestamp.formatIndexDate(i), index: i } })
   }
 
   /* -------------------------------------------- */
diff --git a/module/rdd-resolution-table.js b/module/rdd-resolution-table.js
index b5467845..46700826 100644
--- a/module/rdd-resolution-table.js
+++ b/module/rdd-resolution-table.js
@@ -283,12 +283,9 @@ export class RdDResolutionTable {
       carac: carac,
       difficulte: level,
       min: minLevel,
-      rows: RdDResolutionTable.incrementalArray(minCarac, maxCarac),
-      cols: RdDResolutionTable.incrementalArray(minLevel, maxLevel)
+      rows: Misc.intArray(minCarac, maxCarac+1),
+      cols: Misc.intArray(minLevel, maxLevel+1)
     });
   }
-  static incrementalArray(min, max) {
-    return Array.from(Array(max-min+1).keys()).map(i=>i+min)
-  }
 
 }
\ No newline at end of file
diff --git a/module/rdd-utility.js b/module/rdd-utility.js
index 3b186b1d..3eab79ac 100644
--- a/module/rdd-utility.js
+++ b/module/rdd-utility.js
@@ -19,9 +19,9 @@ import { RdDRaretes } from "./item/raretes.js";
 /* -------------------------------------------- */
 // This table starts at 0 -> niveau -10
 const carac_array = ["taille", "apparence", "constitution", "force", "agilite", "dexterite", "vue", "ouie", "odoratgout", "volonte", "intellect", "empathie", "reve", "chance", "melee", "tir", "lancer", "derobee"];
-const difficultesLibres = [0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10];
-const ajustementsConditions = [-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, +5, +6, +7, +8, +9, +10];
-const ajustementsEncaissement = [-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, +5, +6, +7, +8, +9, +10, +11, +12, +13, +14, +15, +16, +17, +18, +19, +20, +21, +22, +23, +24, +25];
+const difficultesLibres =  Misc.intArray(0, -11);
+const ajustementsConditions = Misc.intArray(-10, 11);
+const ajustementsEncaissement = Misc.intArray(-10, 26);
 
 /* -------------------------------------------- */
 function _buildAllSegmentsFatigue(max) {