Digital skills
Formulas and Basic Calculations
Updated Oct 28, 2026
A formula normally starts with = and can use numbers, cell references, operators, and parentheses. For example, =B2*C2 multiplies price by quantity. Referencing cells lets the result update when input
What you’ll learn
Understand and practise formulas and basic calculations.
Explanation
A formula normally starts with = and can use numbers, cell references, operators, and parentheses. For example, =B2*C2 multiplies price by quantity. Referencing cells lets the result update when inputs change. Different spreadsheet programs may use different separators or settings.
Formula ជាទូទៅចាប់ផ្ដើមដោយ = ហើយអាចប្រើអាសយដ្ឋាន cell និងសញ្ញាគណនា។ ឧទាហរណ៍ =B2*C2 គុណតម្លៃនឹងបរិមាណ ហើយលទ្ធផលប្រែពេលទិន្នន័យប្ដូរ។
Example
If B2 is 3 and C2 is 4, enter =B2*C2 in D2 to obtain 12.
Practice
What happens to D2 if C2 changes from 4 to 5?
Answer and explanation
Show answer / បង្ហាញចម្លើយ
The formula recalculates to 15, assuming automatic calculation is enabled.
Quick recap
A formula normally starts with = and can use numbers, cell references, operators, and parentheses.