Basic
Perform arithmetic calculations with expression support
How to use Basic
- 1Type numbers using the on-screen pad or your keyboard.
- 2Use + - x / and parentheses for the order of operations.
- 3Read the result, and use clear or backspace to start a new calculation.
Order of operations
PEMDAS: Parentheses, Exponents, Multiplication/Division, Addition/SubtractionThe calculator follows standard precedence, so 2 + 3 x 4 equals 14, not 20; parentheses force a different grouping.
It is exact for the digits shown, but very long numbers are rounded for display; use scientific mode for high precision.
Frequently asked questions
Why is my answer different from expected?
Check parentheses and operation order; multiplication runs before addition unless you group it.
Does it keep history?
This simple view shows the current line; use the expression history if your version includes it.
Can it handle fractions?
It works in decimals; convert fractions to decimals first for accurate results.