Practice arithmetic with randomized tests covering addition, subtraction, multiplication, and division. Access tables from 1 to 12 for skill reinforcement. Track progress through repeated exercises and timed challenges.
Calculate percentages, find the total, or determine the part. Input two values to automatically compute the third. View detailed step-by-step calculations. Share the complete solution with others.
Manage building access with a low-cost panel per door, no central controller needed. Grant users access globally with one click. Set access rules based on groups, departments, schedules, or individual permissions.
The app calculates and looks up maximum permitted Zs values. It includes 80% temperature adjusted values and some MCCB 60947-2 manufacturer Zs charts for BS 7671 18th Edition.
