use truncation instead of rounding down or rounding to the nearest value when numerical calculations exceed precision limits

src/components/base/AccountBalanceTrendsChartBase.ts

@@ -181,7 +181,7 @@ export function useAccountBalanceTrendsChartBase(props: CommonAccountBalanceTren
                 const minimumBalance = Math.min(...dataItems.map(item => item.accountClosingBalance));
                 const maximumBalance = Math.max(...dataItems.map(item => item.accountClosingBalance));
                 const medianBalance = dataItems[Math.floor(dataItems.length / 2)].accountClosingBalance;
-                const averageBalance = Math.floor(sumAmounts(dataItems.map(item => item.accountClosingBalance)) / dataItems.length);
+                const averageBalance = Math.trunc(sumAmounts(dataItems.map(item => item.accountClosingBalance)) / dataItems.length);
 
                 if (props.account.isAsset) {
                     lastOpeningBalance = openingBalance;

src/components/desktop/AccountBalanceTrendsChart.vue

@@ -243,7 +243,7 @@ const chartOptions = computed<object>(() => {
                 axisPointer: {
                     label: {
                         formatter: (params: CallbackDataParams) => {
-                            return formatAmountToLocalizedNumeralsWithCurrency(Math.floor(params.value as number), props.account.currency);
+                            return formatAmountToLocalizedNumeralsWithCurrency(Math.trunc(params.value as number), props.account.currency);
                         }
                     }
                 },

src/components/desktop/MonthlyTrendsChart.vue

@@ -389,7 +389,7 @@ const chartOptions = computed<object>(() => {
                 axisPointer: {
                     label: {
                         formatter: (params: CallbackDataParams) => {
-                            return formatAmountToLocalizedNumeralsWithCurrency(Math.floor(params.value as number), props.defaultCurrency);
+                            return formatAmountToLocalizedNumeralsWithCurrency(Math.trunc(params.value as number), props.defaultCurrency);
                         }
                     }
                 },

src/components/mobile/NumberPadSheet.vue

@@ -325,7 +325,7 @@ function confirm(): boolean {
                 finalValue = previous - current;
                 break;
             case '×':
-                finalValue = Math.round(previous * current / 100);
+                finalValue = Math.trunc(previous * current / 100);
                 break;
             default:
                 finalValue = previous;