Draw random whole numbers in any range, with unique and sorted modes and a cryptographic source.
Convert 1-3999 both ways, see how each numeral adds up and catch non-standard forms like IIII.
Test any number for primality with Miller-Rabin, then get its prime factorisation and every divisor.
Mean, median, mode, quartiles, range and standard deviation for any list of numbers.
Convert between Mw, mb, Ms and ML with the published linear relations, then read the radiated energy in joules and in tonnes of TNT.
Size a rain tank from a monthly mass balance of catchment, rainfall, runoff coefficient and household demand, with days of autonomy.
Mass to moles to STP volume for any compound, plus M, mM, mol/L, g/L, mg/mL and ppm, with the molar mass table shown.
Acoustic Doppler for a moving source and observer, and the relativistic longitudinal factor for light, kept strictly apart.
