### [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 1.06798381399833 to the nearest thousandth (3 decimal places)***May 30 21:18 UTC (GMT)***Round off 1.06798384767996 to the nearest ten (2 whole places)***May 30 21:18 UTC (GMT)***Round off 2.06666666776977 to the nearest ten (2 whole places)***May 30 21:18 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:

**488 + 752 + 509 = ?***May 30 21:17 UTC (GMT)***859 + 1,096 + 879 = ?***May 30 21:17 UTC (GMT)***1,124 + 3,397 + 73,373 = ?***May 30 21:17 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:

**10,354 - 3,051 = ?***May 30 21:18 UTC (GMT)***522 + 190 + 240 - 197 - 220 + 214 + 280 = ?***May 30 21:18 UTC (GMT)***964 - 1,962 - 543 + 305 = ?***May 30 21:18 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