Solomon Calculator

Free Solomon Calculator — compute Seal of Solomon geometry, Solomon four-group analysis effects, and custom numerical calculations instantly in your browser.

125.0K uses Updated · 2026-05-16 Runs locally · zero upload
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How to Use Solomon Calculator

The Solomon Calculator is a versatile online tool designed to handle multiple Solomon-related calculations in one place. Simply choose a calculation type from the three available modes and enter the required values.

  1. Choose a Calculation Type — Select from Seal of Solomon, Solomon Analysis, or Custom Calculation using the buttons at the top of the Solomon Calculator.
  2. Enter Your Values — Fill in the input fields shown for the selected mode. Required fields are clearly labeled; optional pre-test fields in the Analysis mode improve result accuracy.
  3. Read the Results — The Solomon Calculator instantly displays all relevant output values, including geometric properties, experimental effects, or arithmetic results.

The Solomon Calculator is designed to be lightweight, fast, and beginner-friendly. No formulas need to be memorized — the tool handles all the mathematics for you.

Formula & Theory - Solomon Calculator

Seal of Solomon (Hexagram) Geometry

The Solomon Calculator uses standard geometric formulas for a regular hexagram with side length s:

Total Area    = 2√3 × s²
Inner Hex     = (3√3 / 2) × s²
Outer Radius  = s
Inner Radius  = (√3 / 2) × s
Perimeter     = 12 × s
SymbolMeaning
sSide length of one triangle edge
√3Square root of 3 ≈ 1.73205

A hexagram is composed of six equilateral triangles arranged around a central regular hexagon. The Solomon Calculator adds the area of all six outer triangles to the inner hexagon to find the total star area.

Solomon Four-Group Analysis

The Solomon four-group design isolates the treatment effect from the influence of pre-testing:

Treatment Effect  = Post_Treatment − Post_Control
Testing Effect    = (Pre_Treatment − Pre_Control + Treatment Effect) / 2
Relative Effect   = Treatment Effect / |Post_Control| × 100%
SymbolMeaning
Post_TreatmentPost-test score of the treatment group
Post_ControlPost-test score of the control group
Pre_TreatmentPre-test score of the treatment group (optional)
Pre_ControlPre-test score of the control group (optional)

Custom Calculation

The Custom mode supports five operations:

A + B  (addition)
A − B  (subtraction)
A × B  (multiplication)
A ÷ B  (division, B ≠ 0)
A ^ B  (exponentiation)

Assumptions and Limits

The Seal of Solomon formulas assume a perfectly regular hexagram with all sides equal. The analysis formulas assume equal group sizes; for weighted designs, consult a statistics reference. Custom division by zero returns an undefined result rather than a numeric output.

Use Cases for Solomon Calculator

The Solomon Calculator is useful in a wide range of academic, creative, and professional scenarios:

  • Geometry and design — Calculate precise dimensions for hexagram-shaped decorative elements, tiles, logos, or architectural features using the Seal of Solomon mode.
  • Educational research — Teachers and researchers use the Solomon four-group design to evaluate whether a teaching intervention truly caused improvement, separating the treatment effect from the mere act of pre-testing.
  • Craft and art projects — Jewelers, tattoo artists, and graphic designers frequently need accurate hexagram measurements; the Solomon Calculator provides area, radius, and perimeter at a glance.
  • Statistical coursework — Students studying experimental design can use the Solomon Calculator to verify textbook answers and explore how pre-test scores affect the estimated treatment effect.
  • Quick arithmetic — The Custom Calculation mode serves as a transparent, step-traceable arithmetic helper for any two-value operation.

Whether you are studying the geometry of the Seal of Solomon, evaluating an educational experiment using the Solomon four-group framework, or simply performing a quick custom calculation, the Solomon Calculator gives you accurate results in seconds.

Frequently asked questions about Solomon Calculator

What is a Solomon Calculator?

A Solomon Calculator is a multi-purpose numerical tool that covers several Solomon-related calculations, including Seal of Solomon (hexagram) geometry, the Solomon four-group experimental design analysis, and general custom arithmetic operations.

What is the Seal of Solomon calculation?

The Seal of Solomon (also called the Star of David or hexagram) is a six-pointed star formed by two overlapping equilateral triangles. The Solomon Calculator computes its total area, inner hexagon area, outer circumradius, inner apothem, and perimeter from a single side length input.

What is the Solomon four-group analysis?

The Solomon four-group design is an experimental methodology that separates the treatment effect from the testing effect. The Solomon Calculator uses post-test scores (and optional pre-test scores) to estimate both the treatment effect and the adjusted testing effect.

Can I use the Solomon Calculator for custom arithmetic?

Yes. The Custom Calculation mode lets you enter any two numbers and choose an operation (addition, subtraction, multiplication, division, or exponentiation) to get an instant result.

Is my data stored?

No. All calculations happen in your browser; nothing is sent to a server.