Dice Roller

Dice Roller – Free Online D4 D6 D8 D10 D12 D20 2025 🎲 Dice Roller Roll Virtual Dice for D&D, Tabletop Games & Board Games Select Your Dice ▲ D4 4 Sides ⚀ D6 6 Sides ◆ D8 8 Sides ⬟ D10 10 Sides ⬢ D12 12 Sides ◉ D20 20 Sides Number of Dice […]

Sample Size Calculator

Sample Size Calculator – Free Statistical Sample Size Tool 2025 📊 Sample Size Calculator Calculate the Perfect Sample Size for Your Research Study or Survey Calculate Your Sample Size Population Size (N): Confidence Level: 90% (Z = 1.645)95% (Z = 1.96)99% (Z = 2.576) Margin of Error (%): Population Proportion (%): Calculate Sample Size Required […]

Number Sequence Calculator

Number Sequence Calculator – Find Next Number in Sequence | AgeCalcX Number Sequence Calculator Find Patterns, Next Numbers & Missing Terms in Sequences Enter Your Number Sequence: + Add Number – Remove Number How many next terms to calculate? Calculate up to 10 next terms in the sequence Find Pattern & Calculate Enter a sequence […]

Standard Deviation Calculator

Standard Deviation Calculator – Population & Sample Statistics 📊 Standard Deviation Calculator Calculate standard deviation, variance, mean, sum, and margin of error for your data set Enter Numbers (separated by commas): Calculation Type: Population Standard Deviation (σ) Sample Standard Deviation (s) Calculate Standard Deviation Clear All Data Set: Count (N) – Sum – Mean (μ/x̄) […]