📐 Matemática e Ciência

6 simultaneous modes: X% of Y, what %, change, increase & decrease

Expression parser with trig, log, exp, history & DEG/RAD toggle

Mean, median, mode, std dev, IQR, quartiles & histogram

Solve ax²+bx+c=0 with roots, vertex & parabola chart

Find any triangle side with area and perimeter

Add/subtract/multiply/divide with simplified result & mixed number

Area & perimeter of 5 shapes: rectangle, circle, triangle, square, trapezoid

Instant prime check with factors and first 25 primes reference

Calculate log base 2, 10, e, and any custom base with step-by-step solution

Simplify ratios, find missing values, and scale recipes or mixtures

Least Common Multiple and Greatest Common Factor with step-by-step solution

All factors and prime factorization of any integer with visual breakdown

Volume of cube, sphere, cylinder, cone and other 3D shapes

Solve any triangle — sides, angles, area, perimeter (SSS, SAS, ASA, AAS)

Circumference, area, diameter and arc length from radius or diameter

Standardize data points with Z-score, percentile rank and normal distribution

nPr and nCr calculations with factorial steps and formula explanation

Mean, weighted mean, and running average for any dataset

Matrix addition, subtraction, multiplication, determinant and inverse operations

Solve single and system of linear equations with step-by-step solution

Generate random integers or decimals with custom range and count

Calculate percent error between experimental and theoretical values

Surface area of 6 3D shapes: cube, sphere, cylinder, cone, pyramid and rectangular prism

Calculate base raised to any power with scientific notation output and step-by-step display

Calculate nth root of any number with Newton's method steps and verification

Binary arithmetic (add, subtract, multiply) with step-by-step conversion and multi-base output

Arithmetic, geometric and Fibonacci sequences with nth term formula, sum formula and first 10 terms

Single and compound event probability (AND/OR) with odds, complement and expected value

Confidence interval for sample data with margin of error and statistical interpretation

Required sample size for surveys and A/B tests by confidence level and margin of error

2D distance between two coordinates with midpoint, slope and line equation