Math.round rounds up when fraction is ≥ 0.5, down otherwise. Math.ceil always rounds up, Math.floor always rounds down. Math.toFixed can format numbers but may not round correctly
Negative numbers are real numbers less than zero. Negative numbers are written with a minus sign (e.g., −3). Zero is neither positive nor negative, but can be considered neutral. Negative numbers are opposite of positive numbers
IF function checks if subtraction result is less than zero. Formula returns zero for negative numbers, original value otherwise. Useful for avoiding negative results in calculations
Multiply negative numbers by -1 to convert them to positive. Use ABS function to remove negative sign and get absolute value. Paste Special with -1 value reverses sign of numbers
Number Format can be used to convert negative numbers to positive. Paste Special multiplies negative numbers with -1 to change sign. Find and Replace replaces negative signs with dash or minus symbol. Flash Fill detects patterns and removes negative signs automatically. ABS function converts negative numbers to positive values
Binary uses only 0s and 1s to represent numbers. Positive numbers can be written using decimal notation. Negative numbers can be represented by adding minus sign