Global Calculator
A versatile multi-purpose calculator for basic arithmetic, percentage, square root, exponentiation, and memory functions.
Published by:
isCalculator Editorial Team
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How to Use the Global Calculator
This is a standard arithmetic calculator with memory and advanced functions. Follow these steps:
- Basic operations: Click number buttons (0–9) and operators (+, −, ×, ÷) to build an expression. Press = to compute the result.
- Clear and correct: Use C to reset the display, or ⌫ to delete the last digit.
- Percentages: Press % to convert a number to a percentage (e.g., 50% becomes 0.5).
- Exponents: Use ^ for powers (e.g., 2^3 = 8).
- Square root: Press √ to calculate the square root of the current number. Negative numbers are not allowed.
- Memory functions:
- M+ adds the current display to memory.
- M− subtracts the current display from memory.
- MR recalls the stored memory value.
- MC clears the memory to zero.
- Error handling: Invalid operations (e.g., dividing by zero) show a red error message. The calculator uses standard decimal notation (e.g., 3.14).
Tip: The display shows the result and a brief explanation of the calculation steps below the buttons.
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Frequently Asked Questions
It supports addition, subtraction, multiplication, division, percentage, exponentiation, square root, and memory functions (M+, M-, MR, MC).
Enter a number, then press '%'. For example, '200%' becomes 2. It divides by 100.
Check that your input is valid. For example, avoid dividing by zero or taking square root of a negative number.