Expected Frequencies Sample Calculator Calculate expected frequencies for categorical data analysis. Enter your observed counts and category probabilities to compute expected values. Observed Counts (comma-separated) Category Probabilities (comma-separated) Total Observations Significance Level (α) 0.05 (5%)0.01 (1%)0.10 (10%) Calculate Expected Frequencies…
Semicircle Perimeter & Area Calculator Calculate the perimeter and area of a semicircle with precision. Enter the radius or diameter below. Input Type RadiusDiameter Value Unit of Measurement Millimeters (mm)Centimeters (cm)Meters (m)Kilometers (km)Inches (in)Feet (ft)Yards (yd)Miles (mi) Calculate Perimeter of…
River Cross-Sectional Area Calculator Calculate the cross-sectional area of a river using different measurement methods Measurement Method Trapezoidal MethodSimpson’s RuleRectangular Method River Width (meters) Depth at Left Bank (meters) Depth at Right Bank (meters) Number of Measurement Segments Total River…
Irregular Lot Area Calculator Calculate the area of your irregular-shaped land using only distance measurements Measurement Unit Metric (meters)Imperial (feet) Boundary Segment 1 Add Boundary Segment Calculate Area Calculation Results Total Area: – Perimeter: – Number of Sides: – Comprehensive…
Excel Area Under Curve Calculator Calculate the area under a curve in your Excel graph with precision. Enter your data points and method preference below. Data Points (X,Y pairs) Calculation Method Trapezoidal Rule (Most Common)Simpson’s Rule (More Accurate)Left Rectangle Rule…
Java Square Area Calculator Calculate the area of a square using Java’s int data type with this interactive tool Side Length (whole number only) Unit of Measurement Centimeters (cm)Meters (m)Inches (in)Feet (ft) Calculate Area Side Length: Area: Java Code: Comprehensive…
CCTV Coverage Area Calculator Calculate the optimal coverage area for your security cameras with precise measurements Camera Type Fixed CameraPTZ CameraDome CameraBullet CameraFisheye Camera Lens Size (mm) Sensor Size (inches) 1/4″1/3″1/2.8″1/2.5″1/2″2/3″1″ Camera Resolution 720p (1280×720)1080p (1920×1080)2K (2560×1440)4K (3840×2160)5MP (2592×1944)8MP (3840×2160)12MP…
Excel Coordinate Area Calculator Coordinate System Cartesian (X,Y)Geographic (Lat,Long) Vertex Coordinates + Add Coordinate Units MetersFeetKilometersMilesDegrees (for geographic) Decimal Precision 2 decimal places3 decimal places4 decimal places5 decimal places6 decimal places Calculate Area Polygon Area: – Perimeter: – Number of…
Excel Box Area Calculator Calculate the total surface area of boxes in Excel with precise measurements Box Length (inches) Box Width (inches) Box Height (inches) Number of Boxes Unit System Inches (Default)CentimetersMillimetersMeters Excel Version Excel 2019/2021/365Excel 2016Excel 2013Excel OnlineGoogle Sheets…
20m × 30m Area Calculator Calculate the area, perimeter, and cost for a 20 meters by 30 meters space with customizable units and materials Length (meters) Width (meters) Display Unit Square Meters (m²)Square Feet (ft²)Square Yards (yd²)AcresHectares Surface Material None…