Calculator Examples: Real-World Scenarios

Percentage Example: Sales Discount

Scenario: Item costs $200, 25% discount.

Solution: Discount = $50, Final price = $150.

Use Case: Shopping sales.

Growth Rate Example: Investment Return

Scenario: Investment from $1000 to $1200.

Solution: 20% growth.

Use Case: Finance tracking.

Average Example: Test Scores

Scenario: Scores: 80, 90, 70.

Solution: Average = 80.

Use Case: Education.

Square Root Example: Area to Side

Scenario: Area 100 sq ft.

Solution: Side = 10 ft.

Use Case: Geometry.

Compound Interest Example: Savings

Scenario: $5000 at 4% for 5 years.

Solution: Future value ≈ $6083.26.

Use Case: Banking.

BMI Example: Health Check

Scenario: 180cm, 75kg.

Solution: BMI = 23.15 (normal).

Use Case: Fitness.

Loan Example: Monthly Payment

Scenario: $20000 at 6% for 3 years.

Solution: ~$608/month.

Use Case: Borrowing.

Tip Example: Restaurant Bill

Scenario: $80 bill, 18% tip.

Solution: Tip = $14.40, Total = $94.40.

Use Case: Dining.