Calculate confidence intervals for survey data. Input sample size and percentage to determine accuracy range. Compare two percentages to assess statistical significance. Determine required sample size for desired accuracy.
by A PLUS A SAS★ 5.02 ratingsBusinessFreeData updated 2026-09-08
Displays waveforms with a grid and tick marks on the horizontal axis. Users can set time divisions per horizontal unit. The vertical axis has a solid and dashed line for reference. Users can adjust display settings and analyze waveform data.
Calculate tips with customizable percentages and split bills among multiple people. Save preferred tip settings for quick access. Perform calculations with simple taps for dining, coffee, or group events.