Calculate percentages, roots, and compound interest for specified time periods. Input values and select calculation type. Display results with detailed formulas. Export results as text or share directly.
Convert pressure or temperature values for refrigeration systems using ammonia R717, freon HCFC-22, R-22, and R134a. Calculate compressor and condenser parameters. Input values to obtain results for overheating and other related calculations.
The app offers a big key layout with customizable function keys. Calculation history is available, and results can be copied to the clipboard for use in other applications.
Practice mental calculation with six mini- including addition, subtraction, multiplication, division, sorting, and equation solving. Each game has four difficulty levels. Track progress and complete 40 problems in 50 seconds.
The app offers a fun way to train mental math skills by matching math problems with their solutions. Users can improve calculation speed and performance over time with various problem types and difficulty levels.