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Basic calculator for everyday arithmetic operations.
Supports complex math like trigonometry, logarithms, and powers.
Reverse Polish Notation stack calculator for engineers.
Calculate various percent scenarios like ratio and change.
Calculate your age, zodiac, and next birthday based on your birth date.
Calculate total return and taxes based on simple/compound interest.
Calculate brokerage fee limits and estimated acquisition taxes.
Calculate military discharge dates and progress rates.
Calculate remaining caffeine in your body using the half-life formula.
Estimate retirement assets through the magic of compound interest.
Calculate physical dimensions, aspect ratio, and PPI based on inches and resolution.