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What is Encalc?
Encalc is an online scientific calculator. Key features include the ability to handle units and dimensional analysis, to perform symbolic algebra and calculus, to define variables, and to lookup values from its large database of physical constants. Integration, differentiation, parentheses and scientific formulas are also supported.
Unit Conversions
Encalc can be used for unit conversions and dimensional analysis. To convert from Metric to US Customary Units, try inputting "4 meters to feet" and hit "Calculate". Other conversions are handled similarly.
Using Parentheses
Parentheses are necessary for many calculations. Encalc supports normal parentheses, e.g. "(2+3)/5". Square brackets are used for matrices and vectors, such as "dot([1,2,3], [-3,1,2])" or "matrix([[x,y],[1,-1]])".
Handy Formulas
Encalc has a lot of formulas ready that you may find helpful.
Gross Profit Markup CalculatorGross Profit Ratio Calculator
Interest Savings Account Calculator
Loan Payment Calculator
Bragg's Law
Compound Interest Formula
Coulomb's Law
Newton's Law of Gravitation
Ohm's Law
Quadratic Equation
See the formulas page for more information.
Defining Variables
Define your own variables to get the most out of Encalc. You can type "M" in the first box and "12 grams" in the second box to define "M=12 grams". From there, you only have to refer to M in your formulas.
Physical Constants
Encalc has a database of hundreds of physical constants. "The speed of light" and "c" would both be equal to 299800000 m / s. Try other constants - there's a good chance it's in the database. To turn off the database, click Preferences. This is useful when you want to use a constant as a variable in algebra, e.g. "(a+b+c)^2" without using c = the speed of light.
Calculus, Matrices, and More!
Encalc supports advanced mathematical functions.
integrate(sin(x))integrate(sinh(x), 0, 2)
diff(cos(x))
simplify((x^2-1)/(x-1))
matrix([1, 2], [3, 4]) * matrix([x, 1], [-1, x])
matrix([x, 1], [-1, x])^2
See the documentation page for more information.
