Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Multiprecision calculator
Financial Derivatives Calculator with 168+ Models (Options Calculator)
Bitcoin Alts portfolio tracker, email / text / alexa / telegram alerts
AlphaCentauri is a completely free Office tools application.
Calculates the standard deviation of any set of numbers.
Calculates the correlation coefficient for 2 sets of numerical data.