Practice arithmetic with addition, subtraction, multiplication, and division to reach 24 points. Choose from three difficulty levels. Generate custom 24-point problems for printing or exporting. Compete in timed challenges of 1, 2, 3, or 5 minutes.
The app calculates quadratic equations, Pythagoras theorem, and logarithm equations. It shows formulas used to help users learn and features an easy-to-use interface.
Solves equations for y, x, and a in y = log_a(x) with graphing. Explains computation of log_e(x) using Taylor series and log_10(x) via digit-by-digit method. Provides proof of log_e as the integral of x inverse.
Udio signals for up to 16 channels. Choose from four wave types: sine, triangle, square, and saw. Adjust volume per channel. View and summarize waveform settings at the bottom of the screen.
Calculate with scientific precision and enhanced functions
Simulate the HP-45 scientific calculator with photo-realistic visuals and original LED or LCD display. Print calculations, animate keys with sound and feedback, and replicate the calculator's computation times.