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General| Brand | Calculated Industries |
|---|---|
| Model | 4090 |
| Category | Measuring Instruments |
| Language | English |
Defines keys for dimensional input and conversions in feet, inches, and metric units.
Explains calculator functions like clear, reciprocal, percent, and unit conversions.
Details sine, cosine, and tangent functions for angle and side calculations.
Covers keys for calculating sides and angles of right triangles.
Explains how to calculate triangle angles and area using the Law of Cosines.
Describes functions for calculating various offset measurements in sheet metal work.
Details the calculator's ability to solve fan laws for CFM, RPM, and SP.
Explains conversion between velocity pressure and feet per minute (FPM).
Covers calculations for circle circumference, area, and arc lengths.
Details volume and surface area calculations for columns and cones.
Calculates jack rafter lengths for regular and irregular pitched roofs.
Lists default values for riser height, tread width, and headroom for stair calculations.
Demonstrates adding and subtracting mixed unit measurements like feet, inches, and meters.
Shows how to divide dimensional values by a number.
Illustrates converting feet-inches into decimal feet and inches.
Demonstrates converting imperial measurements to metric units.
Explains converting fractions to decimals and vice versa for inch measurements.
Shows how to find a circle's circumference and area using its diameter.
Demonstrates calculating the area and volume of rectangular shapes.
Illustrates calculating the area of a triangle given base and height.
Shows how to calculate the volume of a cylinder using its diameter and height.
Demonstrates using the cubed function for calculations like 50³.
Shows how to find the cube root of a number for cube dimensions.
Illustrates performing calculations with numbers in scientific notation.
Demonstrates converting degrees, minutes, seconds (DMS) to decimal degrees.
Shows how to find trigonometric values for given angles.
Explains how to find angles from sine, cosine, and tangent values.
Demonstrates using trig functions and Pythagorean theorem to find unknown sides of triangles.
Provides a step-by-step example of calculating offset measurements.
Shows an example of using the Law of Cosines to find triangle angles and area.
Illustrates solving for RPM or CFM using Fan Law 1.
Demonstrates solving for SP or CFM using Fan Law 2.
Shows how to solve for BHP or CFM using Fan Law 3.
Explains how to convert velocity pressure values to feet per minute (FPM).
Demonstrates converting feet per minute (FPM) to velocity pressure (VP).
Shows how to calculate percent grade, slope, and pitch in inches from degrees.
Demonstrates finding the hypotenuse and angle of a right triangle from rise and run.
Explains how to calculate common rafter length and angle cuts from pitch and span.
Details calculations for hip/valley and jack rafter lengths and cut angles.
Shows how to calculate hip/valley rafter length with irregular pitches.
Guides through calculating stair dimensions like riser height, tread width, and stringer length.
Directs users to the User's Guide for details on calculator preference settings.
Provides information on battery type and warranty details, referring to the User's Guide.
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