A calculator with a clear display and large buttons supports functions. Switch between portrait and landscape modes on iPad. Perform simple calculations without additional features.
Calculate time, speed, and distance for road rallies. Input rally details and track progress. Generate reports and adjust strategies based on real-time data. Sync with GPS devices for accurate navigation.
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.
Estimate federal and state income taxes, self-employment taxes, and quarterly taxes. View tax bracket and effective tax rate. Calculate estimated annual tax liability with detailed breakdowns.
Visualize income over 50 years with an interactive graph. Adjust dates to see income impact. Estimate annuities for FERS and CSRS employees. Optional upgrade for additional features.
Calculate margin, selling price, or cost based on three variables. Determine markup and gross profit. Include tax calculations. Display results clearly. Free version includes ads.
Calculate investment growth with periodic contributions. Adjust contribution frequency and view year-by-year breakdowns. Track over time. Set and adjust parameters for accuracy. Export results as reports.
Calculate points with automated scoring and detect illegal entries. Track statistics for completed games. Supports Standard, Fantasy, and anniversary varieties.
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review past entries.
Calculate break-even price based on buying cost and quantity. Determine net or loss using expected selling price and commissions. Input and adjust values for accurate financial tracking.
Calculate net income after federal, state, and local taxes, FICA contributions, retirement savings, and payroll deductions. Compare job offers, plan retirement, and optimize tax strategy. Break down pay for annual to weekly frequencies.
Estimate construction material quantities for building and paving projects. Input job parameters like length, width, and thickness. Select material properties such as density from predefined options.