Formula and method
Expressions follow standard order of operations: parentheses, exponents, multiplication and division, then addition and subtraction.
Worked example
For 12 × (5 + 3), evaluate the parentheses first: 12 × 8 = 96.
Assumptions
- Angles use degrees when DEG is selected and radians when RAD is selected.
- Division by zero is undefined.
Reference sources
Reviewed and updated 2026-07-14