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Scientific functions

Examples: 12+5*3, sqrt(81), sin(30). Use parentheses to control order.

Wave speed

v = fλ

Speed = frequency × wavelength

Photon energy

E = hf

h = 6.62607015 × 10⁻³⁴ J·s

Ohm's law

V = IR

Voltage = current × resistance

Wave frequency

f = 1/T

Frequency = inverse of period

Thin lens equation

1/f = 1/v − 1/u

Use a consistent sign convention

Photon wavelength

λ = c/f

c = 299792458 m/s

Enter rows separated by semicolons, values by commas. Example: 1,2;3,4

Matrix A Matrix B

Vector A (x,y,z) Vector B (x,y,z)

Enter a+bi, for example 3+2i and 1-4i.

Complex A Complex B

Formula

Quantity Value

From

To