### [1] Calculator 1: Rounding off Positive and Negative Numbers to Whole or Decimal Places, Online Calculator, Mathematical Explanations

### The latest 3 operations with rounded off numbers:

**Round off 23,563.2 to the nearest one (1 whole place)***Dec 01 21:58 UTC (GMT)***Round off 462,984.4 to the nearest one (1 whole place)***Dec 01 21:58 UTC (GMT)***Round off 1.6 to the nearest tenth (1 decimal place)***Dec 01 21:57 UTC (GMT)***All the operations with the numbers rounded off by users...**### [2] Calculator 2: Adding natural numbers calculator: calculate the sum and learn how to add multiple digit numbers

### The latest 3 operations with added numbers:

**998 + 9,359 + 2,135 = ?***Dec 01 21:58 UTC (GMT)***854 + 1,139 + 176 = ?***Dec 01 21:58 UTC (GMT)***118 + 134 + 59 + 117 = ?***Dec 01 21:58 UTC (GMT)***All the operations with the numbers added by users...**### [3] Calculator 3: Subtracting integer numbers calculator: calculate the difference and learn how to subtract multiple digit numbers

### The latest 3 operations with subtracted numbers:

**- 474 + 3,032 - 18,405 - 268 + 91 = ?***Dec 01 21:58 UTC (GMT)***468 + 126 + 185 - 156 + 181 - 132 + 235 = ?***Dec 01 21:58 UTC (GMT)***- 47,445 - 9,433 = ?***Dec 01 21:58 UTC (GMT)***All the operations with the numbers subtracted by users...**

### [1] How to Round Off Numbers to Whole or Decimal Places, Theory, Explanations, Examples. Special Cases

### [2] How to add natural numbers: calculate the sum and learn to add multiple digit numbers by using the column addition method

### [3] How to subtract numbers: calculate the difference and learn to subtract multiple digits numbers by using the column subtracting method