# Platphorm Calculator Suite

> A free, client-side multi-tool calculator suite. All calculations run in the
> browser with no data persistence or tracking of inputs.

## Tools
- Standard: Everyday arithmetic
- Scientific: Trig, logs & powers
- Unit Converter: Length, mass & temp
- Percentage: Percent of & change
- BMI: Body mass index
- Tip Split: Tips & bill splitting
- Loan: Monthly payments

## Details
- Standard: arithmetic with keyboard support (+, -, ×, ÷, %, sign, backspace).
- Scientific: trig (deg/rad), logs, powers, roots, factorial, constants (pi, e).
- Unit Converter: length, mass, temperature, volume, speed.
- Percentage: percent-of, ratio (X is what % of Y), and percentage change.
- BMI: metric and imperial with category classification.
- Tip Split: tip presets/custom and per-person bill splitting.
- Loan: monthly payment, total interest, and total paid amortization.

## Privacy
No inputs are stored or transmitted. There is no backend for calculations.