diff --git a/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.ts b/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.ts
index 070a5422d044e1faec4ec6a677a3b5dd16118a76..a660ee797b2f7044a78f3b4fd83151ebe3065707 100644
--- a/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.ts
+++ b/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.ts
@@ -1,11 +1,15 @@
 import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material";
 import { Inject, Component, OnInit } from "@angular/core";
 import { FormBuilder, FormGroup, Validators } from "@angular/forms";
+
 import { I18nService } from "../../services/internationalisation/internationalisation.service";
 import { NgParameter } from "../../formulaire/ngparam";
-import { ParamValueMode, ExtensionStrategy } from "jalhyd";
 import { sprintf } from "sprintf-js";
 import { ApplicationSetupService } from "../../services/app-setup/app-setup.service";
+import { ResultsComponent } from "../fixedvar-results/results.component";
+
+import { ParamValueMode, ExtensionStrategy } from "jalhyd";
+
 import { fv } from "../../util";
 
 @Component({
@@ -107,14 +111,14 @@ export class DialogEditParamValuesComponent implements OnInit {
                     type: "linear",
                     position: "bottom",
                     ticks: {
-                        precision: nDigits
+                        precision: ResultsComponent.CHARTS_AXIS_PRECISION
                     }
                 }],
                 yAxes: [{
                     type: "linear",
                     position: "left",
                     ticks: {
-                        precision: nDigits
+                        precision: ResultsComponent.CHARTS_AXIS_PRECISION
                     }
                 }]
             },
diff --git a/src/app/components/fixedvar-results/results.component.ts b/src/app/components/fixedvar-results/results.component.ts
index db20c2ec5988ebcf106d8f07640c71df0d9f39ef..9c05df43576eade445c25450c0a448327ee95013 100644
--- a/src/app/components/fixedvar-results/results.component.ts
+++ b/src/app/components/fixedvar-results/results.component.ts
@@ -10,6 +10,9 @@ import { fv } from "../../util";
  */
 export class ResultsComponent {
 
+    /** max number of decimals for auto-adjusting charts axis graduations */
+    public static CHARTS_AXIS_PRECISION = 10;
+
     /** tracks the fullscreen state */
     public get isFullscreen() {
         // return (document["fullscreenElement"] !== null);
diff --git a/src/app/components/pab-profile-graph/pab-profile-graph.component.ts b/src/app/components/pab-profile-graph/pab-profile-graph.component.ts
index 92a5b9979bec0f0c8fa8a40464a4b3bf4d758e7f..3ea15a0756fdbb6e8d048f47f9febc879155d37d 100644
--- a/src/app/components/pab-profile-graph/pab-profile-graph.component.ts
+++ b/src/app/components/pab-profile-graph/pab-profile-graph.component.ts
@@ -73,7 +73,7 @@ export class PabProfileGraphComponent extends ResultsComponent {
                 type: "linear",
                 position: "bottom",
                 ticks: {
-                    precision: nDigits
+                    precision: ResultsComponent.CHARTS_AXIS_PRECISION
                 },
                 scaleLabel: {
                     display: true,
@@ -84,7 +84,7 @@ export class PabProfileGraphComponent extends ResultsComponent {
                 type: "linear",
                 position: "left",
                 ticks: {
-                    precision: nDigits
+                    precision: ResultsComponent.CHARTS_AXIS_PRECISION
                 },
                 scaleLabel: {
                     display: true,
diff --git a/src/app/components/pab-results/pab-results-table.component.ts b/src/app/components/pab-results/pab-results-table.component.ts
index d17b83a5636ccafb088337747807af5246b0bf71..13ca9f097b24782febb35bd5aa50a4804fb24c79 100644
--- a/src/app/components/pab-results/pab-results-table.component.ts
+++ b/src/app/components/pab-results/pab-results-table.component.ts
@@ -5,7 +5,6 @@ import { CloisonAval, Result } from "jalhyd";
 import * as XLSX from "xlsx";
 
 import { PabResults } from "../../results/pab-results";
-import { ApplicationSetupService } from "../../services/app-setup/app-setup.service";
 import { I18nService } from "../../services/internationalisation/internationalisation.service";
 import { ResultsComponent } from "../fixedvar-results/results.component";
 import { fv } from "../../util";
@@ -32,7 +31,6 @@ export class PabResultsTableComponent extends ResultsComponent {
     table: ElementRef;
 
     constructor(
-        protected appSetupService: ApplicationSetupService,
         protected intlService: I18nService
     ) {
         super();
@@ -65,7 +63,6 @@ export class PabResultsTableComponent extends ResultsComponent {
             && ! this._pabResults.hasOnlyErrors()
         ) {
             const pr = this._pabResults;
-            const nDigits = this.appSetupService.displayDigits;
             // when a parameter is variating, index of the variating parameter
             // values to build the data from
             const vi = pr.variableIndex;
diff --git a/src/app/components/pab-results/pab-variable-results-selector.component.ts b/src/app/components/pab-results/pab-variable-results-selector.component.ts
index 799cc5267b40913a2664acc29da9ac8022994211..007aa25c3554343958e72e9b3b260efabd9430db 100644
--- a/src/app/components/pab-results/pab-variable-results-selector.component.ts
+++ b/src/app/components/pab-results/pab-variable-results-selector.component.ts
@@ -2,7 +2,6 @@ import { Component, Output, EventEmitter } from "@angular/core";
 
 import { PabResults } from "../../results/pab-results";
 import { I18nService } from "../../services/internationalisation/internationalisation.service";
-import { ApplicationSetupService } from "../../services/app-setup/app-setup.service";
 import { fv } from "../../util";
 
 @Component({
@@ -30,7 +29,6 @@ export class PabVariableResultsSelectorComponent {
 
     constructor(
         protected intlService: I18nService,
-        protected appSetupService: ApplicationSetupService
     ) {
         this._selectedValue = 0;
     }
@@ -41,7 +39,6 @@ export class PabVariableResultsSelectorComponent {
         if (this._pabResults) {
             // pre-extract variable parameters values
             this.varValues = [];
-            const nDigits = this.appSetupService.displayDigits;
             // find longest list
             this.size = 0;
             for (let i = 0; i < this._pabResults.variatedParameters.length; i++) {
diff --git a/src/app/components/remous-results/remous-results.component.ts b/src/app/components/remous-results/remous-results.component.ts
index df56788875814aafe20f7ccc896aad21a1486968..d349db0e52f8802cd0b1fad7fe6accc0542aebd6 100644
--- a/src/app/components/remous-results/remous-results.component.ts
+++ b/src/app/components/remous-results/remous-results.component.ts
@@ -604,7 +604,7 @@ export class RemousResultsComponent extends ResultsComponent implements DoCheck
                         offsetGridLines: true
                     },
                     ticks: {
-                        precision: nDigits,
+                        precision: ResultsComponent.CHARTS_AXIS_PRECISION,
                         callback: function(value, index, values) {
                             return fv(Number(value));
                         }
@@ -644,7 +644,7 @@ export class RemousResultsComponent extends ResultsComponent implements DoCheck
                             labelString: this.uitextAbscisse
                         },
                         ticks: {
-                            precision: nDigits,
+                            precision: ResultsComponent.CHARTS_AXIS_PRECISION,
                             callback: function(value, index, values) {
                                 return fv(Number(value));
                             }
diff --git a/src/app/components/results-graph/results-graph.component.ts b/src/app/components/results-graph/results-graph.component.ts
index 96c35127a7a1889a4ac86819e89415b392fcf371..43933e81efde1faf6c3b0f99861345cb247eae4d 100644
--- a/src/app/components/results-graph/results-graph.component.ts
+++ b/src/app/components/results-graph/results-graph.component.ts
@@ -239,7 +239,7 @@ export class ResultsGraphComponent extends ResultsComponent implements AfterCont
                     offsetGridLines: true
                 },
                 ticks: {
-                    precision: nDigits,
+                    precision: ResultsComponent.CHARTS_AXIS_PRECISION,
                     callback: function(value, index, values) {
                         return fv(Number(value));
                     }
@@ -322,7 +322,7 @@ export class ResultsGraphComponent extends ResultsComponent implements AfterCont
                 type: "linear",
                 position: "bottom",
                 ticks: {
-                    precision: nDigits
+                    precision: ResultsComponent.CHARTS_AXIS_PRECISION
                 },
                 scaleLabel: {
                     display: true,
@@ -333,7 +333,7 @@ export class ResultsGraphComponent extends ResultsComponent implements AfterCont
                 type: "linear",
                 position: "left",
                 ticks: {
-                    precision: nDigits
+                    precision: ResultsComponent.CHARTS_AXIS_PRECISION
                 },
                 scaleLabel: {
                     display: true,
@@ -401,7 +401,6 @@ export class ResultsGraphComponent extends ResultsComponent implements AfterCont
         const ret: IYSeries[] = [];
         const palette = ResultsComponent.distinctColors;
         const xSeries = this._results.getValuesSeries(this.chartX);
-        const nDigits = this.appSetup.displayDigits;
         let symbols: string[];
 
         // whole family of variables => multiple series (should only happen with VarResults)
diff --git a/src/app/formulaire/ngparam.ts b/src/app/formulaire/ngparam.ts
index a58d5ff421548b9d938772ee4db2bfd508194cb1..136bbcaeb78d23ebba54cf14d879542fef6fcb61 100644
--- a/src/app/formulaire/ngparam.ts
+++ b/src/app/formulaire/ngparam.ts
@@ -42,7 +42,6 @@ export class NgParameter extends InputField implements Observer {
     public static preview(p: ParamDefinition, compact: boolean = false): string {
         let valuePreview: string;
         const i18n = ServiceFactory.instance.i18nService;
-        const nDigits = ServiceFactory.instance.applicationSetupService.displayDigits;
 
         switch (p.valueMode) {
             case ParamValueMode.SINGLE:
@@ -101,7 +100,6 @@ export class NgParameter extends InputField implements Observer {
     public static linkedValuePreview(ref: LinkedValue): string {
         let valuePreview: string;
         const i18n = ServiceFactory.instance.i18nService;
-        const nDigits = ServiceFactory.instance.applicationSetupService.displayDigits;
 
         if (ref.isParameter()) {
             const targetParam = (ref.element as ParamDefinition);
@@ -201,7 +199,6 @@ export class NgParameter extends InputField implements Observer {
         // undefined si on clique en dehors du select après l'avoir ouvert (cad sans avoir fait de sélection)
         // et au même niveau, cad à côté du bouton et non à côté du menu déroulant
         if (m !== undefined && this._paramDef.valueMode !== m) {
-            const nDigits = ServiceFactory.instance.applicationSetupService.displayDigits;
             this.unlinkParameter();
             this._paramDef.valueMode = m;
             this.notifyObservers({
diff --git a/src/app/results/plottable-pab-results.ts b/src/app/results/plottable-pab-results.ts
index f697ecac0e648037d23239ef4e912bf3f084afcc..8f340a954dad3fedf05ab85958ffaf3256bcedba 100644
--- a/src/app/results/plottable-pab-results.ts
+++ b/src/app/results/plottable-pab-results.ts
@@ -3,6 +3,8 @@ import { PabResults } from "./pab-results";
 import { GraphType } from "./graph-type";
 import { ServiceFactory } from "../services/service-factory";
 
+import { ParamDefinition } from "jalhyd";
+
 export class PlottablePabResults implements PlottableData {
 
     public graphType: GraphType = GraphType.Scatter;
diff --git a/src/app/results/var-results.ts b/src/app/results/var-results.ts
index a3823065caa4db96c3939c878bbf3f37387fa36d..d2a451ee77e6b25f2bd350a6474c99b8f6684608 100644
--- a/src/app/results/var-results.ts
+++ b/src/app/results/var-results.ts
@@ -1,7 +1,8 @@
+import { ResultElement, ParamFamily, ParamDefinition } from "jalhyd";
+
 import { CalculatorResults } from "./calculator-results";
 import { CalculatedParamResults } from "./param-calc-results";
 import { NgParameter } from "../formulaire/ngparam";
-import { ResultElement, ParamFamily } from "jalhyd";
 import { ServiceFactory } from "../services/service-factory";
 import { PlottableData } from "./plottable-data";
 import { GraphType } from "./graph-type";
diff --git a/src/app/services/internationalisation/internationalisation.service.ts b/src/app/services/internationalisation/internationalisation.service.ts
index 063fd0a3aa609a858f1dd1f40ac074924f551d38..fbf1226a5d0d234a8d96f47a4aa3dcad14e91fa7 100644
--- a/src/app/services/internationalisation/internationalisation.service.ts
+++ b/src/app/services/internationalisation/internationalisation.service.ts
@@ -197,7 +197,6 @@ export class I18nService extends Observable implements Observer {
         if (match > -1) {
             return this.localizeText(`INFO_${label.substring(match).toUpperCase()}_${value}`);
         }
-        const nDigits = this.applicationSetupService.displayDigits;
         return fv(value);
     }