Calculate date differences between two dates. Determine end dates based on period and start date. Adjust inclusivity settings for both days or exclude the first day.
by Huaping Ye★ 5.04 ratingsUtilitiesFreeData updated 2026-09-15
Calculate depth of field by selecting frame size, aperture, focal length, and focusing distance. Determine foreground and background depth. Automatically compute hyperfocal distance. Adjust diffuse circle diameter for print size requirements.
Schedule tasks by selecting a date and setting specific times in 30-minute increments. Add color via the pen icon and receive 3-minute notifications before scheduled times. Adjust notification settings for missed alerts.
Record important dates and events like birthdays, anniversaries, and milestones. Track days together, calculate time until school starts, and set reminders. View calendar views and customize notes for each event.
Track medical certificate validity, BasicMed compliance, review expiration, and recent experience as per FAA regulations. Calculate expiration dates based on calendar entries. Receive alerts for upcoming renewals.
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.
Synchronized calendar for rational time arrangement.
The app synchronizes with the iPhone Calendar for time arrangement. It offers personal affair management, day, week, and month views, and date calculation.
Plan daily schedules based on personalized date selection for career, relationships, and wealth goals. Identify good and bad days through energy affinity analysis. Receive actionable tips to optimize each day's opportunities and challenges.
Dali Clock displays time with morphing digits that change shape when updated. Tap to show the date. Double-tap to switch between 12-hour and 24-hour formats. Swipe or pinch to adjust the number of digits displayed.
Calculate consignment weight and volume for shipping. Determine cubic meters (CBM) of goods. Estimate how many items fit in a shipping container. Input dimensions and quantities for accurate results.
Calculate monthly payments including principal and interest. nd view repayment schedules. Save or export schedules to Excel. Adjust terms and see updated payment amounts.
Calculate sale prices by entering original prices and percentages. Determine final prices after applying discounts. Share results via text or social media. Track historical calculations.
Calculate area using width and length in inches, feet, yards, meters, or centimeters. Convert results to inches, feet, meters, or centimeters instantly.