What is MathNotes: Calculator Notes?
Equations, solved in place Type `2x + 3 = 7` and get `x = 2`. Quadratic and transcendental equations are solved numerically, with every real root listed (`x^2 - 4 = 0` → `x = -2, x = 2`). Multiply or divide with units and the result's unit is derived, not guessed: `100 km / 2 h` → `50 km/h`, `6 kg × 3 m / 2 s²` → `9 N`, `100 N / 2 m²` → `50 Pa`. Derived units (N, Pa, J, W, V) are recognised automatically, and dimensions that don't map to a real physical quantity are quietly dropped.
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