๐งฎ Calculators Collection
Various calculators for daily life and work
Basic Calculators
Math Calculators
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Fraction Calculator
Fraction arithmetic and simplification
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Percentage Calculator
Percentage, increase, decrease
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Percent Error Calculator
Error between measured and actual values
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Exponent Calculator
Calculate x to the power of y
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Log Calculator
ln, log10, any base logarithm
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Ratio Calculator
Ratio calculation and simplification
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Root Calculator
Calculate nth root
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LCM Calculator
LCM and GCD calculation
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GCF Calculator
GCF and Euclidean algorithm
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Factor Calculator
All factors and prime factorization
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Rounding Calculator
Round, ceil, floor, truncate
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Matrix Calculator
Matrix operations, determinant, inverse
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Scientific Notation
Scientific notation conversion
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Big Number Calculator
Very large number operations
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Quadratic Formula
Solve using quadratic formula
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Half Life Calculator
Radioactive decay calculation
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Fibonacci Calculator
Fibonacci sequence
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Gaussian Elimination
Linear equation solver
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Modulo Calculator
Modular arithmetic and cryptography operations
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Polynomial Factorization
Factor polynomials
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Prime Checker
Prime number check & list
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GPA Calculator
Grade point average
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Fraction-Decimal Converter
Fraction โ decimal
Statistics Calculators
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Standard Deviation
Standard deviation, variance, mean
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Number Sequence
Pattern recognition and prediction
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Sample Size Calculator
Survey sample size
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Probability Calculator
Probability and conditional probability
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Statistics Calculator
Comprehensive statistical analysis
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Mean/Median/Mode
Central tendency measures
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Permutation & Combination
nPr, nCr calculation
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Z-Score Calculator
Z-score and normal distribution
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Confidence Interval
Confidence interval and standard error
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P-value Calculator
Statistical significance
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Rank Calculator
Percentile & rank
Geometry Calculators
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Triangle Calculator
Area, perimeter, angle calculation
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Volume Calculator
3D shape volume
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Slope Calculator
Line slope and equation
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Area Calculator
2D shape area
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Distance Calculator
Distance between 2D/3D points
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Circle Calculator
Circle area, circumference, radius
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Surface Area Calculator
3D shape surface area
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Pythagorean Theorem
Right triangle side calculation
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Right Triangle Calculator
Comprehensive trigonometry
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Regular Polygon Calculator
Polygon area, perimeter, angles
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Sector Calculator
Sector area, arc length
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Pyramid Calculator
Pyramid volume, surface area
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Rectangular Prism Calculator
Prism volume, surface area
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Rhombus Calculator
Rhombus area, perimeter, angles
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Geometry Calculator
Comprehensive geometry
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Perimeter Calculator
Shape perimeter
๐บ๏ธ
Scale Calculator
Map scale calculation
Finance Calculators
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Overspending Index
Income to expense ratio analysis
๐ท๏ธ
Discount Calculator
Discounted price and savings
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Sales Commission
Commission and net amount
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Loss Recovery Calculator
Required gain to recover loss
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CAGR Calculator
Compound annual growth rate
๐น
ROI Calculator
Return on investment
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ROAS Calculator
Return on ad spend
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Depreciation Calculator
Asset depreciation calculation
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EBITDA Calculator
Operating cash flow measure
Number Systems
Unit Conversion
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Inch Converter
cm โ inch conversion
โ๏ธ
Pound Converter
lb โ kg conversion
๐ฃ๏ธ
Mile Converter
mile โ km conversion
๐ฅค
Ounce Converter
oz โ ml conversion
๐พ
Hectare Converter
ha โ pyeong โ mยฒ conversion
๐ก๏ธ
Temperature Converter
ยฐC, ยฐF, K conversion
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Speed-Distance-Time Calculator
Speed, distance, time calc
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DMS Converter
DMS โ decimal conversion
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Radian Converter
Radian โ degree conversion
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Acre Converter
acre โ mยฒ โ pyeong
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Gallon Converter
gallon โ liter conversion
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Yard Converter
yard โ meter conversion
๐ด
Horsepower Converter
HP โ kW conversion
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Vitamin Unit Converter
IU โ PPM conversion
Science/Engineering
โ๏ธ
Density Calculator
Density, mass, volume
โ๏ธ
Mass Calculator
Mass unit conversion
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PPM Concentration
PPM, PPB concentration
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Dilution Calculator
Solution dilution
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Golden Ratio Calculator
Golden ratio calc
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Capacity Calculator
Volume capacity
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Resistor Color Code
4-band resistor
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Resistor Color Code (5-band)
5-band resistor
Architecture/Real Estate
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Building Coverage Ratio
Coverage ratio calc
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Floor Area Ratio
FAR calculation
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Exclusive Area Calculator
Exclusive/common area
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Room Pyeong Calculator
Room size in pyeong
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Price per Pyeong
Price per pyeong calc
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Tile Installation
Tile quantity needed
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Ready-Mix Concrete
Concrete volume
๐จ
Duct Airflow
Air flow calculation