Math guides
Worked examples, formulas and answers to the most common questions for all 34 calculators.
Percentage guide
Calculate percentages, increases, and decreases.
18 FAQs → Arithmetic & AlgebraFraction guide
Add, subtract, multiply, and divide fractions.
18 FAQs → Arithmetic & AlgebraRatio guide
Solve proportions and simplify ratios.
18 FAQs → Arithmetic & AlgebraAverage guide
Find mean, median, and average of a dataset.
18 FAQs → Arithmetic & AlgebraExponent & Root guide
Calculate powers and bases.
18 FAQs → Arithmetic & AlgebraSquare Root & N-th Root guide
Find square roots and radical values.
18 FAQs → Arithmetic & AlgebraLinear Equation guide
Solve equations of the form ax + b = c.
18 FAQs → GeometryArea & Perimeter guide
Calculate area and perimeter for 2D geometric shapes.
18 FAQs → GeometryPythagorean Theorem guide
Solve for side A, B, or hypotenuse C.
18 FAQs → GeometryTriangle Solver guide
Solve triangles using SSS, SAS, or ASA inputs.
18 FAQs → GeometryCircle Calculator guide
Calculate arc length, sector area, and chord length.
18 FAQs → GeometryDistance & Midpoint guide
Find the distance between two points (x₁,y₁) and (x₂,y₂).
18 FAQs → Number TheoryPrime Number guide
Check if a number is prime and find factors.
18 FAQs → Number TheoryFactorial guide
Compute factorials for non-negative integers.
18 FAQs → Number TheoryGCD / HCF guide
Find the Greatest Common Divisor using Euclidean algorithm.
18 FAQs → Number TheoryLCM guide
Find the Least Common Multiple of numbers.
18 FAQs → Number TheoryRandom Number guide
Generate random numbers within a specified range.
18 FAQs → Number TheoryNumber Base guide
Convert between Binary, Octal, Decimal, and Hexadecimal.
18 FAQs → Engineering MathComplex Numbers guide
Add, multiply, divide complex numbers in rectangular and polar form.
18 FAQs → Engineering MathVector Math guide
Dot product, cross product, magnitude, and angle between vectors.
18 FAQs → Engineering MathMatrix Calculator guide
Calculate determinant, transpose, addition, and multiplication.
18 FAQs → Engineering MathLaplace Transform guide
Reference table of common Laplace transform pairs.
18 FAQs → AdvancedScientific guide
Perform advanced trigonometry, logs, and complex expressions.
18 FAQs → AdvancedLogarithm guide
Calculate log, ln, and custom base logarithms.
18 FAQs → AdvancedLimit Calculator guide
Evaluate one-sided and two-sided limits with step-by-step analysis.
18 FAQs → AdvancedPercentile Calculator guide
Find percentiles from raw data or from Z-scores.
18 FAQs → AdvancedDifferential Equation Solver guide
Solve ordinary differential equations using numerical methods.
18 FAQs → UtilitiesUnit Converter guide
Convert Length, Weight, Temperature, and Volume.
18 FAQs → UtilitiesData Storage guide
Convert between Bytes, KB, MB, GB, and TB.
18 FAQs → UtilitiesSpeed Converter guide
Convert between mph, km/h, m/s, knots, and ft/s.
18 FAQs → UtilitiesFuel Efficiency guide
Convert between MPG (US/UK), L/100km, and km/L.
18 FAQs → UtilitiesCompound Interest guide
Calculate savings growth over time with regular contributions.
18 FAQs → UtilitiesPassword Generator guide
Generate secure, random passwords with customizable criteria.
18 FAQs → GraphingFunction Transformations guide
Explore transformations, quadratic analysis, and wave parameters.
18 FAQs →