Ekuation

Basic Calculator

This Basic Calculator helps you perform everyday arithmetic operations with ease. It supports addition, subtraction, multiplication, division, and percentage calculations with an intuitive interface. The calculator includes a history view to track your calculations and supports keyboard input for faster use.

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Current calculation value

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Basic Calculator

Understanding Essential Arithmetic Operations

What is a Basic Calculator?

A basic calculator is a tool for performing fundamental arithmetic operations: addition, subtraction, multiplication, and division. These calculators provide a simple way to perform everyday calculations quickly and accurately.

Calculator Operations

1. Addition (+)

The addition operation combines two numbers to find their sum.

  • Enter the first number
  • Press the + button
  • Enter the second number
  • Press = to see the result

Example: 25 + 13 = 38

2. Subtraction (-)

The subtraction operation finds the difference between two numbers.

  • Enter the first number (minuend)
  • Press the - button
  • Enter the second number (subtrahend)
  • Press = to see the result

Example: 52 - 17 = 35

3. Multiplication (×)

The multiplication operation finds the product of two numbers.

  • Enter the first number (multiplicand)
  • Press the × button
  • Enter the second number (multiplier)
  • Press = to see the result

Example: The product of 8 × 9 = 72

4. Division (÷)

The division operation finds the quotient of two numbers.

  • Enter the first number (dividend)
  • Press the ÷ button
  • Enter the second number (divisor)
  • Press = to see the result

Example: The quotient of 45 ÷ 5 = 9

5. Percentage (%)

The percentage function converts a number to its equivalent decimal representation (divides by 100).

  • Enter a number
  • Press the % button

Example: 25% = 0.25

Additional Functions

1. Clear (AC)

The AC (All Clear) button resets the calculator, clearing all values and operations.

2. Positive/Negative Toggle (±)

The ± button changes the sign of the currently displayed number, making a positive number negative or a negative number positive.

3. Backspace (⌫)

The backspace button removes the last digit entered, allowing for correction of input errors.

Real-World Applications

Everyday Uses

  • Shopping: Calculating totals, discounts, tips, and taxes
  • Budgeting: Tracking expenses and income
  • Cooking: Adjusting recipe quantities
  • Education: Solving basic math problems

Pro Tips

  • Use keyboard shortcuts for faster calculations (numbers and operators work directly)
  • Perform multiple operations in sequence without pressing = between each step
  • If you make a mistake, use backspace instead of starting over
  • Store frequently used values in memory with the M+ button

Common Mistakes to Avoid

  1. Order of Operations: Remember that multiplication and division take precedence over addition and subtraction. The calculator handles this automatically for you.
  2. Forgetting to Clear: Always check if the calculator needs to be cleared before starting a new calculation.
  3. Division by Zero: Be aware that dividing any number by zero will result in an error.
  4. Percentage Confusion: The percentage button (%) divides the displayed number by 100.

Command Palette

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