공학용 계산기
설치 없이 브라우저만으로 사용할 수 있는 무료 계산기입니다. 표준 계산기와 공학용 계산기를 전환할 수 있고, 사칙연산 외에 삼각함수(sin, cos, tan), 로그(log, ln), 거듭제곱과 제곱근, 팩토리얼, 원주율과 자연로그의 밑 같은 상수를 다룰 수 있습니다. 메모리 키(MC, MR, M+, M−), 백분율, 도/라디안 전환도 지원합니다.
- Speed
- Time
- Distance
- Percentage
- Price with Tax
- Price Before Tax
- Discounted Price
- Rate of Change
- Proportional Distribution
- Unit Price
- Law of Cosines (Third Side)
- Law of Cosines (Angles)
- Law of Sines
- Area of a Triangle (Two Sides and the Included Angle)
- Heron's Formula
- Distance Between Two Points
- Line Through Two Points
- Magnitude of a Vector
- Dot Product and Angle Between Vectors
- 2×2 Determinant and Inverse
- Quadratic Equation
- Simultaneous Linear Equations
- Arithmetic Sequence
- Geometric Sequence
- GCD and LCM
- Prime Factorization
- Number and Sum of Divisors
- Base Conversion
- Power
- Logarithm
- Factorial
- Sum of Binomial Coefficients
- Mean
- Median
- Mode
- Weighted Mean
- Geometric Mean
- Harmonic Mean
- Range
- Quartiles and Interquartile Range
- Standard Deviation
- Sample Variance and Standard Deviation
- Coefficient of Variation
- Deviation Value (T-score)
- Z-score
- Covariance
- Correlation Coefficient
- Linear Regression (Least Squares)
- Permutations nPr
- Combinations nCr
- Combinations with Repetition nHr
- Circular Permutations
- Permutations with Repeated Items
- Expected Value
- Conditional Probability
- Bayes' Theorem
- Binomial Probability
- Mean and Variance of a Binomial Distribution
- Poisson Probability
- Normal Distribution Probability
- Normal Distribution Interval
- Confidence Interval for a Mean
- Confidence Interval for a Proportion
- One-sample t-test
- Two-sample t-test
- Paired t-test
- Chi-square Goodness-of-fit Test
- Chi-square Test of Independence
- Area of a Triangle
- Area of an Equilateral Triangle
- Area of a Square
- Area of a Rectangle
- Area of a Parallelogram
- Area of a Trapezoid
- Area of a Rhombus
- Area of a Circle
- Area and Arc Length of a Sector
- Area of a Circular Segment
- Area of an Ellipse
- Area of a Regular Polygon
- Circumference of a Circle
- Hypotenuse of a Right Triangle
- Circumradius and Inradius of a Triangle
- Volume of a Cuboid
- Volume of a Sphere
- Volume of a Cylinder
- Volume of a Cone
- Volume of a Frustum
- Volume of a Pyramid
- Volume of a Torus
- Surface Area of a Cuboid
- Surface Area of a Sphere
- Surface Area of a Cylinder
- Surface Area of a Cone
- Surface Area of a Frustum
- Surface Area of a Torus
- Force (Newton's Second Law)
- Work
- Power
- Kinetic Energy
- Potential Energy
- Momentum
- Hooke's Law
- Pressure
- Density
- Acceleration
- Uniformly Accelerated Motion
- Free Fall
- Projectile Motion
- Pendulum Period
- Voltage (Ohm's Law)
- Current (Ohm's Law)
- Resistance (Ohm's Law)
- Electric Power
- Electric Energy and Cost
- Resistors in Series
- Resistors in Parallel
- Capacitance of a Parallel Plate Capacitor
- Charge and Energy Stored in a Capacitor
- Capacitors in Series and Parallel
- Impedance of a Series RLC Circuit
- Resonant Frequency
- RC Time Constant
- Heat
- Thermal Expansion
- Carnot Efficiency
- Thermal Equilibrium Temperature
- Wave Speed
- Thin Lens Equation
- Snell's Law and the Critical Angle
- Photon Energy
- Buoyancy (Archimedes' Principle)
- Water Pressure at Depth
- Flow Rate and Velocity
- Moles and Mass
- Molar Concentration
- Mass Percent Concentration
- Dilution
- pH and Hydrogen Ion Concentration
- Neutralisation Titration
- Ideal Gas Law
- Gas Density and Molar Volume
- Tsubo to Square Metres
- Square Metres to Tsubo
- Tatami to Square Metres
- Building Coverage Ratio
- Floor Area Ratio
- Price per Tsubo
- Roof Pitch
- Ramp Gradient
- Stair Riser
- BMI (Body Mass Index)
- Basal Metabolic Rate (BMR)
- Calories Burned (METs)
- Body Fat Percentage Estimate
- Target Heart Rate (Karvonen Method)
- Units of Alcohol and Time to Clear
- Simple Interest
- Compound Interest
- Future Value of Regular Savings
- Loan Payment (Equal Instalments)
- How Much You Can Borrow
- The Effect of Making an Extra Loan Payment
- Effective Annual Rate
- Profit Margin and Cost Ratio
- Fuel Efficiency
- Length Unit Conversion
- Area Unit Conversion
- Volume Unit Conversion
- Weight Unit Conversion
- Force Unit Conversion
- Pressure Unit Conversion
- Energy Unit Conversion
- Power Unit Conversion
- Speed Unit Conversion
- Angle Unit Conversion
- Temperature Unit Conversion
- Data Size Unit Conversion
- Fuel Economy Unit Conversion